Home / 19,001.33-28,465.09-9,147.53

Finding the Fourth Proportional to 19,001.33, 28,465.09 and 9,147.53

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Solution

The fourth proportional to 19,001.33, 28,465.09 and 9,147.53 is: 13,703.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001.33 : 28,465.09 = 9,147.53 : x
  2. Step 2: Convert to fraction form
    19,001.33/28,465.09 = 9,147.53/x
  3. Step 3: Cross multiply
    19,001.33x = 28,465.09 × 9,147.53
  4. Step 4: Simplify right side
    19,001.33x = 260,385,264.73
  5. Step 5: Solve for x
    x = 260,385,264.73/19,001.33
  6. Step 6: Final answer
    x = 13,703.53

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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.