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Finding the Fourth Proportional to 9,337.40, 14,006.10 and 5,643.80

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Solution

The fourth proportional to 9,337.40, 14,006.10 and 5,643.80 is: 8,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,337.40 : 14,006.10 = 5,643.80 : x
  2. Step 2: Convert to fraction form
    9,337.40/14,006.10 = 5,643.80/x
  3. Step 3: Cross multiply
    9,337.40x = 14,006.10 × 5,643.80
  4. Step 4: Simplify right side
    9,337.40x = 79,047,627.18
  5. Step 5: Solve for x
    x = 79,047,627.18/9,337.40
  6. Step 6: Final answer
    x = 8,465.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.