Home / 12,442.77-18,663.93-4,545.24

Finding the Fourth Proportional to 12,442.77, 18,663.93 and 4,545.24

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Solution

The fourth proportional to 12,442.77, 18,663.93 and 4,545.24 is: 6,817.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442.77 : 18,663.93 = 4,545.24 : x
  2. Step 2: Convert to fraction form
    12,442.77/18,663.93 = 4,545.24/x
  3. Step 3: Cross multiply
    12,442.77x = 18,663.93 × 4,545.24
  4. Step 4: Simplify right side
    12,442.77x = 84,832,041.19
  5. Step 5: Solve for x
    x = 84,832,041.19/12,442.77
  6. Step 6: Final answer
    x = 6,817.78

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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.