Home / 13,588.07-18,756.14-8,560.71

Finding the Fourth Proportional to 13,588.07, 18,756.14 and 8,560.71

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Solution

The fourth proportional to 13,588.07, 18,756.14 and 8,560.71 is: 11,816.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.07 : 18,756.14 = 8,560.71 : x
  2. Step 2: Convert to fraction form
    13,588.07/18,756.14 = 8,560.71/x
  3. Step 3: Cross multiply
    13,588.07x = 18,756.14 × 8,560.71
  4. Step 4: Simplify right side
    13,588.07x = 160,565,832.46
  5. Step 5: Solve for x
    x = 160,565,832.46/13,588.07
  6. Step 6: Final answer
    x = 11,816.68

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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.