Home / 15,340-23,015.40-7,554.28

Finding the Fourth Proportional to 15,340, 23,015.40 and 7,554.28

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Solution

The fourth proportional to 15,340, 23,015.40 and 7,554.28 is: 11,334.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,340 : 23,015.40 = 7,554.28 : x
  2. Step 2: Convert to fraction form
    15,340/23,015.40 = 7,554.28/x
  3. Step 3: Cross multiply
    15,340x = 23,015.40 × 7,554.28
  4. Step 4: Simplify right side
    15,340x = 173,864,775.91
  5. Step 5: Solve for x
    x = 173,864,775.91/15,340
  6. Step 6: Final answer
    x = 11,334.08

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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.