Home / 14,264.17-19,684.02-7,977.76

Finding the Fourth Proportional to 14,264.17, 19,684.02 and 7,977.76

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Solution

The fourth proportional to 14,264.17, 19,684.02 and 7,977.76 is: 11,009.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,264.17 : 19,684.02 = 7,977.76 : x
  2. Step 2: Convert to fraction form
    14,264.17/19,684.02 = 7,977.76/x
  3. Step 3: Cross multiply
    14,264.17x = 19,684.02 × 7,977.76
  4. Step 4: Simplify right side
    14,264.17x = 157,034,387.40
  5. Step 5: Solve for x
    x = 157,034,387.40/14,264.17
  6. Step 6: Final answer
    x = 11,009.01

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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.