Home / 13,095.24-18,071.42-7,126.90

Finding the Fourth Proportional to 13,095.24, 18,071.42 and 7,126.90

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Solution

The fourth proportional to 13,095.24, 18,071.42 and 7,126.90 is: 9,835.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.24 : 18,071.42 = 7,126.90 : x
  2. Step 2: Convert to fraction form
    13,095.24/18,071.42 = 7,126.90/x
  3. Step 3: Cross multiply
    13,095.24x = 18,071.42 × 7,126.90
  4. Step 4: Simplify right side
    13,095.24x = 128,793,203.20
  5. Step 5: Solve for x
    x = 128,793,203.20/13,095.24
  6. Step 6: Final answer
    x = 9,835.12

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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.