Home / 13,526.31-20,274.39-5,624.40

Finding the Fourth Proportional to 13,526.31, 20,274.39 and 5,624.40

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Solution

The fourth proportional to 13,526.31, 20,274.39 and 5,624.40 is: 8,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.31 : 20,274.39 = 5,624.40 : x
  2. Step 2: Convert to fraction form
    13,526.31/20,274.39 = 5,624.40/x
  3. Step 3: Cross multiply
    13,526.31x = 20,274.39 × 5,624.40
  4. Step 4: Simplify right side
    13,526.31x = 114,031,279.12
  5. Step 5: Solve for x
    x = 114,031,279.12/13,526.31
  6. Step 6: Final answer
    x = 8,430.33

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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.