Home / 14,259.60-19,677.96-8,672.40

Finding the Fourth Proportional to 14,259.60, 19,677.96 and 8,672.40

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Solution

The fourth proportional to 14,259.60, 19,677.96 and 8,672.40 is: 11,967.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.60 : 19,677.96 = 8,672.40 : x
  2. Step 2: Convert to fraction form
    14,259.60/19,677.96 = 8,672.40/x
  3. Step 3: Cross multiply
    14,259.60x = 19,677.96 × 8,672.40
  4. Step 4: Simplify right side
    14,259.60x = 170,655,140.30
  5. Step 5: Solve for x
    x = 170,655,140.30/14,259.60
  6. Step 6: Final answer
    x = 11,967.74

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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.