Home / 15,643.28-23,434.67-8,696.72

Finding the Fourth Proportional to 15,643.28, 23,434.67 and 8,696.72

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Solution

The fourth proportional to 15,643.28, 23,434.67 and 8,696.72 is: 13,028.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,643.28 : 23,434.67 = 8,696.72 : x
  2. Step 2: Convert to fraction form
    15,643.28/23,434.67 = 8,696.72/x
  3. Step 3: Cross multiply
    15,643.28x = 23,434.67 × 8,696.72
  4. Step 4: Simplify right side
    15,643.28x = 203,804,602.63
  5. Step 5: Solve for x
    x = 203,804,602.63/15,643.28
  6. Step 6: Final answer
    x = 13,028.26

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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.