Home / 19,001.46-28,459.36-9,148.14

Finding the Fourth Proportional to 19,001.46, 28,459.36 and 9,148.14

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Solution

The fourth proportional to 19,001.46, 28,459.36 and 9,148.14 is: 13,701.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001.46 : 28,459.36 = 9,148.14 : x
  2. Step 2: Convert to fraction form
    19,001.46/28,459.36 = 9,148.14/x
  3. Step 3: Cross multiply
    19,001.46x = 28,459.36 × 9,148.14
  4. Step 4: Simplify right side
    19,001.46x = 260,350,209.59
  5. Step 5: Solve for x
    x = 260,350,209.59/19,001.46
  6. Step 6: Final answer
    x = 13,701.59

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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.