Home / 13,360.60-18,437.04-7,392.16

Finding the Fourth Proportional to 13,360.60, 18,437.04 and 7,392.16

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Solution

The fourth proportional to 13,360.60, 18,437.04 and 7,392.16 is: 10,200.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.60 : 18,437.04 = 7,392.16 : x
  2. Step 2: Convert to fraction form
    13,360.60/18,437.04 = 7,392.16/x
  3. Step 3: Cross multiply
    13,360.60x = 18,437.04 × 7,392.16
  4. Step 4: Simplify right side
    13,360.60x = 136,289,549.61
  5. Step 5: Solve for x
    x = 136,289,549.61/13,360.60
  6. Step 6: Final answer
    x = 10,200.86

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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.