Home / 10,089.60-15,133.92-3,164.16

Finding the Fourth Proportional to 10,089.60, 15,133.92 and 3,164.16

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Solution

The fourth proportional to 10,089.60, 15,133.92 and 3,164.16 is: 4,746.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.60 : 15,133.92 = 3,164.16 : x
  2. Step 2: Convert to fraction form
    10,089.60/15,133.92 = 3,164.16/x
  3. Step 3: Cross multiply
    10,089.60x = 15,133.92 × 3,164.16
  4. Step 4: Simplify right side
    10,089.60x = 47,886,144.31
  5. Step 5: Solve for x
    x = 47,886,144.31/10,089.60
  6. Step 6: Final answer
    x = 4,746.09

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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.