Home / 12,946.28-19,407.53-4,176.68

Finding the Fourth Proportional to 12,946.28, 19,407.53 and 4,176.68

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Solution

The fourth proportional to 12,946.28, 19,407.53 and 4,176.68 is: 6,261.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946.28 : 19,407.53 = 4,176.68 : x
  2. Step 2: Convert to fraction form
    12,946.28/19,407.53 = 4,176.68/x
  3. Step 3: Cross multiply
    12,946.28x = 19,407.53 × 4,176.68
  4. Step 4: Simplify right side
    12,946.28x = 81,058,955.80
  5. Step 5: Solve for x
    x = 81,058,955.80/12,946.28
  6. Step 6: Final answer
    x = 6,261.18

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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.