Home / 8,880.68-13,318.36-7,316.80

Finding the Fourth Proportional to 8,880.68, 13,318.36 and 7,316.80

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Solution

The fourth proportional to 8,880.68, 13,318.36 and 7,316.80 is: 10,973.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.68 : 13,318.36 = 7,316.80 : x
  2. Step 2: Convert to fraction form
    8,880.68/13,318.36 = 7,316.80/x
  3. Step 3: Cross multiply
    8,880.68x = 13,318.36 × 7,316.80
  4. Step 4: Simplify right side
    8,880.68x = 97,447,724.86
  5. Step 5: Solve for x
    x = 97,447,724.86/8,880.68
  6. Step 6: Final answer
    x = 10,973.01

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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.