Home / 13,250.40-18,287.01-7,946.52

Finding the Fourth Proportional to 13,250.40, 18,287.01 and 7,946.52

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Solution

The fourth proportional to 13,250.40, 18,287.01 and 7,946.52 is: 10,967.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.40 : 18,287.01 = 7,946.52 : x
  2. Step 2: Convert to fraction form
    13,250.40/18,287.01 = 7,946.52/x
  3. Step 3: Cross multiply
    13,250.40x = 18,287.01 × 7,946.52
  4. Step 4: Simplify right side
    13,250.40x = 145,318,090.71
  5. Step 5: Solve for x
    x = 145,318,090.71/13,250.40
  6. Step 6: Final answer
    x = 10,967.07

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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.