Home / 14,947.99-22,378.55-8,688.92

Finding the Fourth Proportional to 14,947.99, 22,378.55 and 8,688.92

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Solution

The fourth proportional to 14,947.99, 22,378.55 and 8,688.92 is: 13,008.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947.99 : 22,378.55 = 8,688.92 : x
  2. Step 2: Convert to fraction form
    14,947.99/22,378.55 = 8,688.92/x
  3. Step 3: Cross multiply
    14,947.99x = 22,378.55 × 8,688.92
  4. Step 4: Simplify right side
    14,947.99x = 194,445,474.52
  5. Step 5: Solve for x
    x = 194,445,474.52/14,947.99
  6. Step 6: Final answer
    x = 13,008.13

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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.