Home / 14,325.59-21,389.03-13,439.86

Finding the Fourth Proportional to 14,325.59, 21,389.03 and 13,439.86

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Solution

The fourth proportional to 14,325.59, 21,389.03 and 13,439.86 is: 20,066.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,325.59 : 21,389.03 = 13,439.86 : x
  2. Step 2: Convert to fraction form
    14,325.59/21,389.03 = 13,439.86/x
  3. Step 3: Cross multiply
    14,325.59x = 21,389.03 × 13,439.86
  4. Step 4: Simplify right side
    14,325.59x = 287,465,498.46
  5. Step 5: Solve for x
    x = 287,465,498.46/14,325.59
  6. Step 6: Final answer
    x = 20,066.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.