Home / 11,422.16-15,762.69-6,706.52

Finding the Fourth Proportional to 11,422.16, 15,762.69 and 6,706.52

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Solution

The fourth proportional to 11,422.16, 15,762.69 and 6,706.52 is: 9,255.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,422.16 : 15,762.69 = 6,706.52 : x
  2. Step 2: Convert to fraction form
    11,422.16/15,762.69 = 6,706.52/x
  3. Step 3: Cross multiply
    11,422.16x = 15,762.69 × 6,706.52
  4. Step 4: Simplify right side
    11,422.16x = 105,712,795.74
  5. Step 5: Solve for x
    x = 105,712,795.74/11,422.16
  6. Step 6: Final answer
    x = 9,255.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.