Home / 19,915.95-27,484.02-10,963.80

Finding the Fourth Proportional to 19,915.95, 27,484.02 and 10,963.80

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Solution

The fourth proportional to 19,915.95, 27,484.02 and 10,963.80 is: 15,130.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,915.95 : 27,484.02 = 10,963.80 : x
  2. Step 2: Convert to fraction form
    19,915.95/27,484.02 = 10,963.80/x
  3. Step 3: Cross multiply
    19,915.95x = 27,484.02 × 10,963.80
  4. Step 4: Simplify right side
    19,915.95x = 301,329,298.48
  5. Step 5: Solve for x
    x = 301,329,298.48/19,915.95
  6. Step 6: Final answer
    x = 15,130.05

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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.