Home / 14,281.30-19,720.29-8,977.83

Finding the Fourth Proportional to 14,281.30, 19,720.29 and 8,977.83

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Solution

The fourth proportional to 14,281.30, 19,720.29 and 8,977.83 is: 12,397.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.30 : 19,720.29 = 8,977.83 : x
  2. Step 2: Convert to fraction form
    14,281.30/19,720.29 = 8,977.83/x
  3. Step 3: Cross multiply
    14,281.30x = 19,720.29 × 8,977.83
  4. Step 4: Simplify right side
    14,281.30x = 177,045,312.57
  5. Step 5: Solve for x
    x = 177,045,312.57/14,281.30
  6. Step 6: Final answer
    x = 12,397.00

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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.