Home / 14,665.04-20,232.45-9,631.99

Finding the Fourth Proportional to 14,665.04, 20,232.45 and 9,631.99

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Solution

The fourth proportional to 14,665.04, 20,232.45 and 9,631.99 is: 13,288.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,665.04 : 20,232.45 = 9,631.99 : x
  2. Step 2: Convert to fraction form
    14,665.04/20,232.45 = 9,631.99/x
  3. Step 3: Cross multiply
    14,665.04x = 20,232.45 × 9,631.99
  4. Step 4: Simplify right side
    14,665.04x = 194,878,667.56
  5. Step 5: Solve for x
    x = 194,878,667.56/14,665.04
  6. Step 6: Final answer
    x = 13,288.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.