Home / 14,657.40-21,969.90-8,088.30

Finding the Fourth Proportional to 14,657.40, 21,969.90 and 8,088.30

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Solution

The fourth proportional to 14,657.40, 21,969.90 and 8,088.30 is: 12,123.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,657.40 : 21,969.90 = 8,088.30 : x
  2. Step 2: Convert to fraction form
    14,657.40/21,969.90 = 8,088.30/x
  3. Step 3: Cross multiply
    14,657.40x = 21,969.90 × 8,088.30
  4. Step 4: Simplify right side
    14,657.40x = 177,699,142.17
  5. Step 5: Solve for x
    x = 177,699,142.17/14,657.40
  6. Step 6: Final answer
    x = 12,123.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.