Home / 13,534.10-18,674.76-7,565.81

Finding the Fourth Proportional to 13,534.10, 18,674.76 and 7,565.81

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Solution

The fourth proportional to 13,534.10, 18,674.76 and 7,565.81 is: 10,439.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534.10 : 18,674.76 = 7,565.81 : x
  2. Step 2: Convert to fraction form
    13,534.10/18,674.76 = 7,565.81/x
  3. Step 3: Cross multiply
    13,534.10x = 18,674.76 × 7,565.81
  4. Step 4: Simplify right side
    13,534.10x = 141,289,685.96
  5. Step 5: Solve for x
    x = 141,289,685.96/13,534.10
  6. Step 6: Final answer
    x = 10,439.53

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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.