Home / 14,981.50-22,358.33-13,320.81

Finding the Fourth Proportional to 14,981.50, 22,358.33 and 13,320.81

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Solution

The fourth proportional to 14,981.50, 22,358.33 and 13,320.81 is: 19,879.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.50 : 22,358.33 = 13,320.81 : x
  2. Step 2: Convert to fraction form
    14,981.50/22,358.33 = 13,320.81/x
  3. Step 3: Cross multiply
    14,981.50x = 22,358.33 × 13,320.81
  4. Step 4: Simplify right side
    14,981.50x = 297,831,065.85
  5. Step 5: Solve for x
    x = 297,831,065.85/14,981.50
  6. Step 6: Final answer
    x = 19,879.92

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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.