Home / 14,325.68-21,489.60-9,316.64

Finding the Fourth Proportional to 14,325.68, 21,489.60 and 9,316.64

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Solution

The fourth proportional to 14,325.68, 21,489.60 and 9,316.64 is: 13,975.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,325.68 : 21,489.60 = 9,316.64 : x
  2. Step 2: Convert to fraction form
    14,325.68/21,489.60 = 9,316.64/x
  3. Step 3: Cross multiply
    14,325.68x = 21,489.60 × 9,316.64
  4. Step 4: Simplify right side
    14,325.68x = 200,210,866.94
  5. Step 5: Solve for x
    x = 200,210,866.94/14,325.68
  6. Step 6: Final answer
    x = 13,975.66

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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.