Home / 14,981.16-20,676.69-9,013.62

Finding the Fourth Proportional to 14,981.16, 20,676.69 and 9,013.62

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Solution

The fourth proportional to 14,981.16, 20,676.69 and 9,013.62 is: 12,440.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.16 : 20,676.69 = 9,013.62 : x
  2. Step 2: Convert to fraction form
    14,981.16/20,676.69 = 9,013.62/x
  3. Step 3: Cross multiply
    14,981.16x = 20,676.69 × 9,013.62
  4. Step 4: Simplify right side
    14,981.16x = 186,371,826.52
  5. Step 5: Solve for x
    x = 186,371,826.52/14,981.16
  6. Step 6: Final answer
    x = 12,440.41

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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.