Home / 14,913.96-22,360-7,888.28

Finding the Fourth Proportional to 14,913.96, 22,360 and 7,888.28

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Solution

The fourth proportional to 14,913.96, 22,360 and 7,888.28 is: 11,826.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,913.96 : 22,360 = 7,888.28 : x
  2. Step 2: Convert to fraction form
    14,913.96/22,360 = 7,888.28/x
  3. Step 3: Cross multiply
    14,913.96x = 22,360 × 7,888.28
  4. Step 4: Simplify right side
    14,913.96x = 176,381,940.80
  5. Step 5: Solve for x
    x = 176,381,940.80/14,913.96
  6. Step 6: Final answer
    x = 11,826.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.