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Finding the Fourth Proportional to 10,373, 14,314.90 and 5,657.40

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Solution

The fourth proportional to 10,373, 14,314.90 and 5,657.40 is: 7,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,373 : 14,314.90 = 5,657.40 : x
  2. Step 2: Convert to fraction form
    10,373/14,314.90 = 5,657.40/x
  3. Step 3: Cross multiply
    10,373x = 14,314.90 × 5,657.40
  4. Step 4: Simplify right side
    10,373x = 80,985,115.26
  5. Step 5: Solve for x
    x = 80,985,115.26/10,373
  6. Step 6: Final answer
    x = 7,807.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.