Home / 14,045.75-21,058.20-6,641.55

Finding the Fourth Proportional to 14,045.75, 21,058.20 and 6,641.55

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Solution

The fourth proportional to 14,045.75, 21,058.20 and 6,641.55 is: 9,957.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.75 : 21,058.20 = 6,641.55 : x
  2. Step 2: Convert to fraction form
    14,045.75/21,058.20 = 6,641.55/x
  3. Step 3: Cross multiply
    14,045.75x = 21,058.20 × 6,641.55
  4. Step 4: Simplify right side
    14,045.75x = 139,859,088.21
  5. Step 5: Solve for x
    x = 139,859,088.21/14,045.75
  6. Step 6: Final answer
    x = 9,957.40

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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.