Home / 8,730.36-13,095.54-7,188.12

Finding the Fourth Proportional to 8,730.36, 13,095.54 and 7,188.12

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Solution

The fourth proportional to 8,730.36, 13,095.54 and 7,188.12 is: 10,782.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.36 : 13,095.54 = 7,188.12 : x
  2. Step 2: Convert to fraction form
    8,730.36/13,095.54 = 7,188.12/x
  3. Step 3: Cross multiply
    8,730.36x = 13,095.54 × 7,188.12
  4. Step 4: Simplify right side
    8,730.36x = 94,132,312.98
  5. Step 5: Solve for x
    x = 94,132,312.98/8,730.36
  6. Step 6: Final answer
    x = 10,782.18

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Similar ratio
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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.