Home / 12,890.04-19,337.50-4,569.12

Finding the Fourth Proportional to 12,890.04, 19,337.50 and 4,569.12

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Solution

The fourth proportional to 12,890.04, 19,337.50 and 4,569.12 is: 6,854.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,890.04 : 19,337.50 = 4,569.12 : x
  2. Step 2: Convert to fraction form
    12,890.04/19,337.50 = 4,569.12/x
  3. Step 3: Cross multiply
    12,890.04x = 19,337.50 × 4,569.12
  4. Step 4: Simplify right side
    12,890.04x = 88,355,358
  5. Step 5: Solve for x
    x = 88,355,358/12,890.04
  6. Step 6: Final answer
    x = 6,854.54

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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.