Home / 15,994.78-23,990.30-4,307.08

Finding the Fourth Proportional to 15,994.78, 23,990.30 and 4,307.08

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Solution

The fourth proportional to 15,994.78, 23,990.30 and 4,307.08 is: 6,460.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,994.78 : 23,990.30 = 4,307.08 : x
  2. Step 2: Convert to fraction form
    15,994.78/23,990.30 = 4,307.08/x
  3. Step 3: Cross multiply
    15,994.78x = 23,990.30 × 4,307.08
  4. Step 4: Simplify right side
    15,994.78x = 103,328,141.32
  5. Step 5: Solve for x
    x = 103,328,141.32/15,994.78
  6. Step 6: Final answer
    x = 6,460.12

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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.