Home / 14,508.09-20,013.53-8,841.47

Finding the Fourth Proportional to 14,508.09, 20,013.53 and 8,841.47

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Solution

The fourth proportional to 14,508.09, 20,013.53 and 8,841.47 is: 12,196.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508.09 : 20,013.53 = 8,841.47 : x
  2. Step 2: Convert to fraction form
    14,508.09/20,013.53 = 8,841.47/x
  3. Step 3: Cross multiply
    14,508.09x = 20,013.53 × 8,841.47
  4. Step 4: Simplify right side
    14,508.09x = 176,948,880.81
  5. Step 5: Solve for x
    x = 176,948,880.81/14,508.09
  6. Step 6: Final answer
    x = 12,196.57

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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.