Home / 14,275.35-21,391.92-12,718.35

Finding the Fourth Proportional to 14,275.35, 21,391.92 and 12,718.35

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Solution

The fourth proportional to 14,275.35, 21,391.92 and 12,718.35 is: 19,058.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.35 : 21,391.92 = 12,718.35 : x
  2. Step 2: Convert to fraction form
    14,275.35/21,391.92 = 12,718.35/x
  3. Step 3: Cross multiply
    14,275.35x = 21,391.92 × 12,718.35
  4. Step 4: Simplify right side
    14,275.35x = 272,069,925.73
  5. Step 5: Solve for x
    x = 272,069,925.73/14,275.35
  6. Step 6: Final answer
    x = 19,058.72

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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.