Home / 8,914.02-12,303.81-5,931.60

Finding the Fourth Proportional to 8,914.02, 12,303.81 and 5,931.60

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Solution

The fourth proportional to 8,914.02, 12,303.81 and 5,931.60 is: 8,187.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.02 : 12,303.81 = 5,931.60 : x
  2. Step 2: Convert to fraction form
    8,914.02/12,303.81 = 5,931.60/x
  3. Step 3: Cross multiply
    8,914.02x = 12,303.81 × 5,931.60
  4. Step 4: Simplify right side
    8,914.02x = 72,981,279.40
  5. Step 5: Solve for x
    x = 72,981,279.40/8,914.02
  6. Step 6: Final answer
    x = 8,187.25

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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.