Home / 10,130.29-13,981.12-5,654.97

Finding the Fourth Proportional to 10,130.29, 13,981.12 and 5,654.97

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Solution

The fourth proportional to 10,130.29, 13,981.12 and 5,654.97 is: 7,804.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.29 : 13,981.12 = 5,654.97 : x
  2. Step 2: Convert to fraction form
    10,130.29/13,981.12 = 5,654.97/x
  3. Step 3: Cross multiply
    10,130.29x = 13,981.12 × 5,654.97
  4. Step 4: Simplify right side
    10,130.29x = 79,062,715.99
  5. Step 5: Solve for x
    x = 79,062,715.99/10,130.29
  6. Step 6: Final answer
    x = 7,804.59

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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.