Home / 18,441.12-27,666.56-5,294.40

Finding the Fourth Proportional to 18,441.12, 27,666.56 and 5,294.40

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Solution

The fourth proportional to 18,441.12, 27,666.56 and 5,294.40 is: 7,943.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441.12 : 27,666.56 = 5,294.40 : x
  2. Step 2: Convert to fraction form
    18,441.12/27,666.56 = 5,294.40/x
  3. Step 3: Cross multiply
    18,441.12x = 27,666.56 × 5,294.40
  4. Step 4: Simplify right side
    18,441.12x = 146,477,835.26
  5. Step 5: Solve for x
    x = 146,477,835.26/18,441.12
  6. Step 6: Final answer
    x = 7,943.00

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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.