Home / 16,158.60-22,295.79-9,783.90

Finding the Fourth Proportional to 16,158.60, 22,295.79 and 9,783.90

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Solution

The fourth proportional to 16,158.60, 22,295.79 and 9,783.90 is: 13,499.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,158.60 : 22,295.79 = 9,783.90 : x
  2. Step 2: Convert to fraction form
    16,158.60/22,295.79 = 9,783.90/x
  3. Step 3: Cross multiply
    16,158.60x = 22,295.79 × 9,783.90
  4. Step 4: Simplify right side
    16,158.60x = 218,139,779.78
  5. Step 5: Solve for x
    x = 218,139,779.78/16,158.60
  6. Step 6: Final answer
    x = 13,499.92

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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.