Home / 10,275.36-15,412.80-5,889.60

Finding the Fourth Proportional to 10,275.36, 15,412.80 and 5,889.60

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Solution

The fourth proportional to 10,275.36, 15,412.80 and 5,889.60 is: 8,834.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.36 : 15,412.80 = 5,889.60 : x
  2. Step 2: Convert to fraction form
    10,275.36/15,412.80 = 5,889.60/x
  3. Step 3: Cross multiply
    10,275.36x = 15,412.80 × 5,889.60
  4. Step 4: Simplify right side
    10,275.36x = 90,775,226.88
  5. Step 5: Solve for x
    x = 90,775,226.88/10,275.36
  6. Step 6: Final answer
    x = 8,834.26

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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.