Home / 10,139.26-14,001.84-9,587.08

Finding the Fourth Proportional to 10,139.26, 14,001.84 and 9,587.08

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Solution

The fourth proportional to 10,139.26, 14,001.84 and 9,587.08 is: 13,239.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,139.26 : 14,001.84 = 9,587.08 : x
  2. Step 2: Convert to fraction form
    10,139.26/14,001.84 = 9,587.08/x
  3. Step 3: Cross multiply
    10,139.26x = 14,001.84 × 9,587.08
  4. Step 4: Simplify right side
    10,139.26x = 134,236,760.23
  5. Step 5: Solve for x
    x = 134,236,760.23/10,139.26
  6. Step 6: Final answer
    x = 13,239.31

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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.