Home / 10,048.06-15,086.81-9,870.90

Finding the Fourth Proportional to 10,048.06, 15,086.81 and 9,870.90

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Solution

The fourth proportional to 10,048.06, 15,086.81 and 9,870.90 is: 14,820.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,048.06 : 15,086.81 = 9,870.90 : x
  2. Step 2: Convert to fraction form
    10,048.06/15,086.81 = 9,870.90/x
  3. Step 3: Cross multiply
    10,048.06x = 15,086.81 × 9,870.90
  4. Step 4: Simplify right side
    10,048.06x = 148,920,392.83
  5. Step 5: Solve for x
    x = 148,920,392.83/10,048.06
  6. Step 6: Final answer
    x = 14,820.81

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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.