Home / 17,159.02-23,679.76-13,386.44

Finding the Fourth Proportional to 17,159.02, 23,679.76 and 13,386.44

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Solution

The fourth proportional to 17,159.02, 23,679.76 and 13,386.44 is: 18,473.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,159.02 : 23,679.76 = 13,386.44 : x
  2. Step 2: Convert to fraction form
    17,159.02/23,679.76 = 13,386.44/x
  3. Step 3: Cross multiply
    17,159.02x = 23,679.76 × 13,386.44
  4. Step 4: Simplify right side
    17,159.02x = 316,987,686.45
  5. Step 5: Solve for x
    x = 316,987,686.45/17,159.02
  6. Step 6: Final answer
    x = 18,473.53

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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.