Home / 14,264.89-19,690.50-9,803.41

Finding the Fourth Proportional to 14,264.89, 19,690.50 and 9,803.41

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Solution

The fourth proportional to 14,264.89, 19,690.50 and 9,803.41 is: 13,532.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,264.89 : 19,690.50 = 9,803.41 : x
  2. Step 2: Convert to fraction form
    14,264.89/19,690.50 = 9,803.41/x
  3. Step 3: Cross multiply
    14,264.89x = 19,690.50 × 9,803.41
  4. Step 4: Simplify right side
    14,264.89x = 193,034,044.61
  5. Step 5: Solve for x
    x = 193,034,044.61/14,264.89
  6. Step 6: Final answer
    x = 13,532.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.