Home / 16,779.04-23,155.64-9,225.64

Finding the Fourth Proportional to 16,779.04, 23,155.64 and 9,225.64

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Solution

The fourth proportional to 16,779.04, 23,155.64 and 9,225.64 is: 12,731.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.04 : 23,155.64 = 9,225.64 : x
  2. Step 2: Convert to fraction form
    16,779.04/23,155.64 = 9,225.64/x
  3. Step 3: Cross multiply
    16,779.04x = 23,155.64 × 9,225.64
  4. Step 4: Simplify right side
    16,779.04x = 213,625,598.61
  5. Step 5: Solve for x
    x = 213,625,598.61/16,779.04
  6. Step 6: Final answer
    x = 12,731.69

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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.