Home / 10,036.45-15,044.74-4,762.20

Finding the Fourth Proportional to 10,036.45, 15,044.74 and 4,762.20

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Solution

The fourth proportional to 10,036.45, 15,044.74 and 4,762.20 is: 7,138.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,036.45 : 15,044.74 = 4,762.20 : x
  2. Step 2: Convert to fraction form
    10,036.45/15,044.74 = 4,762.20/x
  3. Step 3: Cross multiply
    10,036.45x = 15,044.74 × 4,762.20
  4. Step 4: Simplify right side
    10,036.45x = 71,646,060.83
  5. Step 5: Solve for x
    x = 71,646,060.83/10,036.45
  6. Step 6: Final answer
    x = 7,138.59

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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.