Home / 15,895.04-21,935.24-9,930.17

Finding the Fourth Proportional to 15,895.04, 21,935.24 and 9,930.17

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Solution

The fourth proportional to 15,895.04, 21,935.24 and 9,930.17 is: 13,703.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,895.04 : 21,935.24 = 9,930.17 : x
  2. Step 2: Convert to fraction form
    15,895.04/21,935.24 = 9,930.17/x
  3. Step 3: Cross multiply
    15,895.04x = 21,935.24 × 9,930.17
  4. Step 4: Simplify right side
    15,895.04x = 217,820,642.92
  5. Step 5: Solve for x
    x = 217,820,642.92/15,895.04
  6. Step 6: Final answer
    x = 13,703.69

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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.