Home / 10,337.60-14,264.80-6,145.28

Finding the Fourth Proportional to 10,337.60, 14,264.80 and 6,145.28

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Solution

The fourth proportional to 10,337.60, 14,264.80 and 6,145.28 is: 8,479.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,337.60 : 14,264.80 = 6,145.28 : x
  2. Step 2: Convert to fraction form
    10,337.60/14,264.80 = 6,145.28/x
  3. Step 3: Cross multiply
    10,337.60x = 14,264.80 × 6,145.28
  4. Step 4: Simplify right side
    10,337.60x = 87,661,190.14
  5. Step 5: Solve for x
    x = 87,661,190.14/10,337.60
  6. Step 6: Final answer
    x = 8,479.84

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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.