Home / 14,718.72-21,957.52-14,316.96

Finding the Fourth Proportional to 14,718.72, 21,957.52 and 14,316.96

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Solution

The fourth proportional to 14,718.72, 21,957.52 and 14,316.96 is: 21,358.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,718.72 : 21,957.52 = 14,316.96 : x
  2. Step 2: Convert to fraction form
    14,718.72/21,957.52 = 14,316.96/x
  3. Step 3: Cross multiply
    14,718.72x = 21,957.52 × 14,316.96
  4. Step 4: Simplify right side
    14,718.72x = 314,364,935.54
  5. Step 5: Solve for x
    x = 314,364,935.54/14,718.72
  6. Step 6: Final answer
    x = 21,358.17

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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.