Home / 9,831.02-13,586.05-8,737.52

Finding the Fourth Proportional to 9,831.02, 13,586.05 and 8,737.52

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Solution

The fourth proportional to 9,831.02, 13,586.05 and 8,737.52 is: 12,074.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,831.02 : 13,586.05 = 8,737.52 : x
  2. Step 2: Convert to fraction form
    9,831.02/13,586.05 = 8,737.52/x
  3. Step 3: Cross multiply
    9,831.02x = 13,586.05 × 8,737.52
  4. Step 4: Simplify right side
    9,831.02x = 118,708,427.58
  5. Step 5: Solve for x
    x = 118,708,427.58/9,831.02
  6. Step 6: Final answer
    x = 12,074.88

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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.