Home / 13,312.60-19,979.22-5,000.18

Finding the Fourth Proportional to 13,312.60, 19,979.22 and 5,000.18

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Solution

The fourth proportional to 13,312.60, 19,979.22 and 5,000.18 is: 7,504.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.60 : 19,979.22 = 5,000.18 : x
  2. Step 2: Convert to fraction form
    13,312.60/19,979.22 = 5,000.18/x
  3. Step 3: Cross multiply
    13,312.60x = 19,979.22 × 5,000.18
  4. Step 4: Simplify right side
    13,312.60x = 99,899,615.11
  5. Step 5: Solve for x
    x = 99,899,615.11/13,312.60
  6. Step 6: Final answer
    x = 7,504.14

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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.