Home / 10,164.60-15,246.90-7,054.20

Finding the Fourth Proportional to 10,164.60, 15,246.90 and 7,054.20

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Solution

The fourth proportional to 10,164.60, 15,246.90 and 7,054.20 is: 10,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,164.60 : 15,246.90 = 7,054.20 : x
  2. Step 2: Convert to fraction form
    10,164.60/15,246.90 = 7,054.20/x
  3. Step 3: Cross multiply
    10,164.60x = 15,246.90 × 7,054.20
  4. Step 4: Simplify right side
    10,164.60x = 107,554,681.98
  5. Step 5: Solve for x
    x = 107,554,681.98/10,164.60
  6. Step 6: Final answer
    x = 10,581.30

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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.