Home / 18,248.09-25,182.35-9,864.59

Finding the Fourth Proportional to 18,248.09, 25,182.35 and 9,864.59

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Solution

The fourth proportional to 18,248.09, 25,182.35 and 9,864.59 is: 13,613.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.09 : 25,182.35 = 9,864.59 : x
  2. Step 2: Convert to fraction form
    18,248.09/25,182.35 = 9,864.59/x
  3. Step 3: Cross multiply
    18,248.09x = 25,182.35 × 9,864.59
  4. Step 4: Simplify right side
    18,248.09x = 248,413,557.99
  5. Step 5: Solve for x
    x = 248,413,557.99/18,248.09
  6. Step 6: Final answer
    x = 13,613.13

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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.