Home / 10,554.60-15,870.30-10,324.20

Finding the Fourth Proportional to 10,554.60, 15,870.30 and 10,324.20

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Solution

The fourth proportional to 10,554.60, 15,870.30 and 10,324.20 is: 15,523.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554.60 : 15,870.30 = 10,324.20 : x
  2. Step 2: Convert to fraction form
    10,554.60/15,870.30 = 10,324.20/x
  3. Step 3: Cross multiply
    10,554.60x = 15,870.30 × 10,324.20
  4. Step 4: Simplify right side
    10,554.60x = 163,848,151.26
  5. Step 5: Solve for x
    x = 163,848,151.26/10,554.60
  6. Step 6: Final answer
    x = 15,523.86

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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.