Home / 15,230.02-22,789.65-12,572.81

Finding the Fourth Proportional to 15,230.02, 22,789.65 and 12,572.81

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Solution

The fourth proportional to 15,230.02, 22,789.65 and 12,572.81 is: 18,813.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,230.02 : 22,789.65 = 12,572.81 : x
  2. Step 2: Convert to fraction form
    15,230.02/22,789.65 = 12,572.81/x
  3. Step 3: Cross multiply
    15,230.02x = 22,789.65 × 12,572.81
  4. Step 4: Simplify right side
    15,230.02x = 286,529,939.42
  5. Step 5: Solve for x
    x = 286,529,939.42/15,230.02
  6. Step 6: Final answer
    x = 18,813.50

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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.