Home / 13,316.12-18,376.84-7,652.70

Finding the Fourth Proportional to 13,316.12, 18,376.84 and 7,652.70

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Solution

The fourth proportional to 13,316.12, 18,376.84 and 7,652.70 is: 10,561.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.12 : 18,376.84 = 7,652.70 : x
  2. Step 2: Convert to fraction form
    13,316.12/18,376.84 = 7,652.70/x
  3. Step 3: Cross multiply
    13,316.12x = 18,376.84 × 7,652.70
  4. Step 4: Simplify right side
    13,316.12x = 140,632,443.47
  5. Step 5: Solve for x
    x = 140,632,443.47/13,316.12
  6. Step 6: Final answer
    x = 10,561.07

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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.