Home / 10,417.40-15,631.95-10,338.28

Finding the Fourth Proportional to 10,417.40, 15,631.95 and 10,338.28

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Solution

The fourth proportional to 10,417.40, 15,631.95 and 10,338.28 is: 15,513.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417.40 : 15,631.95 = 10,338.28 : x
  2. Step 2: Convert to fraction form
    10,417.40/15,631.95 = 10,338.28/x
  3. Step 3: Cross multiply
    10,417.40x = 15,631.95 × 10,338.28
  4. Step 4: Simplify right side
    10,417.40x = 161,607,436.97
  5. Step 5: Solve for x
    x = 161,607,436.97/10,417.40
  6. Step 6: Final answer
    x = 15,513.22

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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.