Home / 17,755.17-26,607.38-13,038.18

Finding the Fourth Proportional to 17,755.17, 26,607.38 and 13,038.18

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Solution

The fourth proportional to 17,755.17, 26,607.38 and 13,038.18 is: 19,538.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,755.17 : 26,607.38 = 13,038.18 : x
  2. Step 2: Convert to fraction form
    17,755.17/26,607.38 = 13,038.18/x
  3. Step 3: Cross multiply
    17,755.17x = 26,607.38 × 13,038.18
  4. Step 4: Simplify right side
    17,755.17x = 346,911,644.80
  5. Step 5: Solve for x
    x = 346,911,644.80/17,755.17
  6. Step 6: Final answer
    x = 19,538.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.