Home / 10,397.87-14,347.40-5,921.70

Finding the Fourth Proportional to 10,397.87, 14,347.40 and 5,921.70

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Solution

The fourth proportional to 10,397.87, 14,347.40 and 5,921.70 is: 8,171.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397.87 : 14,347.40 = 5,921.70 : x
  2. Step 2: Convert to fraction form
    10,397.87/14,347.40 = 5,921.70/x
  3. Step 3: Cross multiply
    10,397.87x = 14,347.40 × 5,921.70
  4. Step 4: Simplify right side
    10,397.87x = 84,960,968.97
  5. Step 5: Solve for x
    x = 84,960,968.97/10,397.87
  6. Step 6: Final answer
    x = 8,171.00

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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.