Home / 15,990.39-23,985.57-5,602.14

Finding the Fourth Proportional to 15,990.39, 23,985.57 and 5,602.14

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Solution

The fourth proportional to 15,990.39, 23,985.57 and 5,602.14 is: 8,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.39 : 23,985.57 = 5,602.14 : x
  2. Step 2: Convert to fraction form
    15,990.39/23,985.57 = 5,602.14/x
  3. Step 3: Cross multiply
    15,990.39x = 23,985.57 × 5,602.14
  4. Step 4: Simplify right side
    15,990.39x = 134,370,521.12
  5. Step 5: Solve for x
    x = 134,370,521.12/15,990.39
  6. Step 6: Final answer
    x = 8,403.20

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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.