Home / 18,683.02-25,784.38-13,959.10

Finding the Fourth Proportional to 18,683.02, 25,784.38 and 13,959.10

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Solution

The fourth proportional to 18,683.02, 25,784.38 and 13,959.10 is: 19,264.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683.02 : 25,784.38 = 13,959.10 : x
  2. Step 2: Convert to fraction form
    18,683.02/25,784.38 = 13,959.10/x
  3. Step 3: Cross multiply
    18,683.02x = 25,784.38 × 13,959.10
  4. Step 4: Simplify right side
    18,683.02x = 359,926,738.86
  5. Step 5: Solve for x
    x = 359,926,738.86/18,683.02
  6. Step 6: Final answer
    x = 19,264.91

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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.