Home / 13,591.13-18,756.02-7,623.18

Finding the Fourth Proportional to 13,591.13, 18,756.02 and 7,623.18

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Solution

The fourth proportional to 13,591.13, 18,756.02 and 7,623.18 is: 10,520.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591.13 : 18,756.02 = 7,623.18 : x
  2. Step 2: Convert to fraction form
    13,591.13/18,756.02 = 7,623.18/x
  3. Step 3: Cross multiply
    13,591.13x = 18,756.02 × 7,623.18
  4. Step 4: Simplify right side
    13,591.13x = 142,980,535.60
  5. Step 5: Solve for x
    x = 142,980,535.60/13,591.13
  6. Step 6: Final answer
    x = 10,520.14

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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.