Home / 16,779.56-23,155.30-9,225.90

Finding the Fourth Proportional to 16,779.56, 23,155.30 and 9,225.90

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Solution

The fourth proportional to 16,779.56, 23,155.30 and 9,225.90 is: 12,731.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.56 : 23,155.30 = 9,225.90 : x
  2. Step 2: Convert to fraction form
    16,779.56/23,155.30 = 9,225.90/x
  3. Step 3: Cross multiply
    16,779.56x = 23,155.30 × 9,225.90
  4. Step 4: Simplify right side
    16,779.56x = 213,628,482.27
  5. Step 5: Solve for x
    x = 213,628,482.27/16,779.56
  6. Step 6: Final answer
    x = 12,731.47

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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.