Home / 14,574.06-21,876.28-12,918.70

Finding the Fourth Proportional to 14,574.06, 21,876.28 and 12,918.70

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Solution

The fourth proportional to 14,574.06, 21,876.28 and 12,918.70 is: 19,391.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,574.06 : 21,876.28 = 12,918.70 : x
  2. Step 2: Convert to fraction form
    14,574.06/21,876.28 = 12,918.70/x
  3. Step 3: Cross multiply
    14,574.06x = 21,876.28 × 12,918.70
  4. Step 4: Simplify right side
    14,574.06x = 282,613,098.44
  5. Step 5: Solve for x
    x = 282,613,098.44/14,574.06
  6. Step 6: Final answer
    x = 19,391.51

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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.