Home / 15,990.98-23,985.93-4,303.76

Finding the Fourth Proportional to 15,990.98, 23,985.93 and 4,303.76

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Solution

The fourth proportional to 15,990.98, 23,985.93 and 4,303.76 is: 6,455.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.98 : 23,985.93 = 4,303.76 : x
  2. Step 2: Convert to fraction form
    15,990.98/23,985.93 = 4,303.76/x
  3. Step 3: Cross multiply
    15,990.98x = 23,985.93 × 4,303.76
  4. Step 4: Simplify right side
    15,990.98x = 103,229,686.10
  5. Step 5: Solve for x
    x = 103,229,686.10/15,990.98
  6. Step 6: Final answer
    x = 6,455.49

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Similar ratio
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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.