Home / 15,545.30-23,283.93-12,899.30

Finding the Fourth Proportional to 15,545.30, 23,283.93 and 12,899.30

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Solution

The fourth proportional to 15,545.30, 23,283.93 and 12,899.30 is: 19,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,545.30 : 23,283.93 = 12,899.30 : x
  2. Step 2: Convert to fraction form
    15,545.30/23,283.93 = 12,899.30/x
  3. Step 3: Cross multiply
    15,545.30x = 23,283.93 × 12,899.30
  4. Step 4: Simplify right side
    15,545.30x = 300,346,398.25
  5. Step 5: Solve for x
    x = 300,346,398.25/15,545.30
  6. Step 6: Final answer
    x = 19,320.72

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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.