Home / 15,690.65-23,539.49-5,302.13

Finding the Fourth Proportional to 15,690.65, 23,539.49 and 5,302.13

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Solution

The fourth proportional to 15,690.65, 23,539.49 and 5,302.13 is: 7,954.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,690.65 : 23,539.49 = 5,302.13 : x
  2. Step 2: Convert to fraction form
    15,690.65/23,539.49 = 5,302.13/x
  3. Step 3: Cross multiply
    15,690.65x = 23,539.49 × 5,302.13
  4. Step 4: Simplify right side
    15,690.65x = 124,809,436.11
  5. Step 5: Solve for x
    x = 124,809,436.11/15,690.65
  6. Step 6: Final answer
    x = 7,954.38

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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.