Home / 13,030.21-19,545.28-9,151.93

Finding the Fourth Proportional to 13,030.21, 19,545.28 and 9,151.93

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Solution

The fourth proportional to 13,030.21, 19,545.28 and 9,151.93 is: 13,727.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.21 : 19,545.28 = 9,151.93 : x
  2. Step 2: Convert to fraction form
    13,030.21/19,545.28 = 9,151.93/x
  3. Step 3: Cross multiply
    13,030.21x = 19,545.28 × 9,151.93
  4. Step 4: Simplify right side
    13,030.21x = 178,876,962.65
  5. Step 5: Solve for x
    x = 178,876,962.65/13,030.21
  6. Step 6: Final answer
    x = 13,727.87

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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.