Home / 15,386.12-23,079.17-3,699.34

Finding the Fourth Proportional to 15,386.12, 23,079.17 and 3,699.34

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Solution

The fourth proportional to 15,386.12, 23,079.17 and 3,699.34 is: 5,549.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,386.12 : 23,079.17 = 3,699.34 : x
  2. Step 2: Convert to fraction form
    15,386.12/23,079.17 = 3,699.34/x
  3. Step 3: Cross multiply
    15,386.12x = 23,079.17 × 3,699.34
  4. Step 4: Simplify right side
    15,386.12x = 85,377,696.75
  5. Step 5: Solve for x
    x = 85,377,696.75/15,386.12
  6. Step 6: Final answer
    x = 5,549.01

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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.