Home / 18,943.47-26,139.02-10,984.05

Finding the Fourth Proportional to 18,943.47, 26,139.02 and 10,984.05

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Solution

The fourth proportional to 18,943.47, 26,139.02 and 10,984.05 is: 15,156.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.47 : 26,139.02 = 10,984.05 : x
  2. Step 2: Convert to fraction form
    18,943.47/26,139.02 = 10,984.05/x
  3. Step 3: Cross multiply
    18,943.47x = 26,139.02 × 10,984.05
  4. Step 4: Simplify right side
    18,943.47x = 287,112,247.71
  5. Step 5: Solve for x
    x = 287,112,247.71/18,943.47
  6. Step 6: Final answer
    x = 15,156.26

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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.