Home / 10,130.20-15,188.70-9,093.40

Finding the Fourth Proportional to 10,130.20, 15,188.70 and 9,093.40

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Solution

The fourth proportional to 10,130.20, 15,188.70 and 9,093.40 is: 13,634.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.20 : 15,188.70 = 9,093.40 : x
  2. Step 2: Convert to fraction form
    10,130.20/15,188.70 = 9,093.40/x
  3. Step 3: Cross multiply
    10,130.20x = 15,188.70 × 9,093.40
  4. Step 4: Simplify right side
    10,130.20x = 138,116,924.58
  5. Step 5: Solve for x
    x = 138,116,924.58/10,130.20
  6. Step 6: Final answer
    x = 13,634.18

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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.