Home / 15,386.29-23,079.61-4,292.30

Finding the Fourth Proportional to 15,386.29, 23,079.61 and 4,292.30

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Solution

The fourth proportional to 15,386.29, 23,079.61 and 4,292.30 is: 6,438.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,386.29 : 23,079.61 = 4,292.30 : x
  2. Step 2: Convert to fraction form
    15,386.29/23,079.61 = 4,292.30/x
  3. Step 3: Cross multiply
    15,386.29x = 23,079.61 × 4,292.30
  4. Step 4: Simplify right side
    15,386.29x = 99,064,610.00
  5. Step 5: Solve for x
    x = 99,064,610.00/15,386.29
  6. Step 6: Final answer
    x = 6,438.50

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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.