Home / 42,095.84-63,154.20-12,513.62

Finding the Fourth Proportional to 42,095.84, 63,154.20 and 12,513.62

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Solution

The fourth proportional to 42,095.84, 63,154.20 and 12,513.62 is: 18,773.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,095.84 : 63,154.20 = 12,513.62 : x
  2. Step 2: Convert to fraction form
    42,095.84/63,154.20 = 12,513.62/x
  3. Step 3: Cross multiply
    42,095.84x = 63,154.20 × 12,513.62
  4. Step 4: Simplify right side
    42,095.84x = 790,287,660.20
  5. Step 5: Solve for x
    x = 790,287,660.20/42,095.84
  6. Step 6: Final answer
    x = 18,773.53

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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.