Home / 10,530.60-15,798.06-6,145.80

Finding the Fourth Proportional to 10,530.60, 15,798.06 and 6,145.80

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Solution

The fourth proportional to 10,530.60, 15,798.06 and 6,145.80 is: 9,219.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.60 : 15,798.06 = 6,145.80 : x
  2. Step 2: Convert to fraction form
    10,530.60/15,798.06 = 6,145.80/x
  3. Step 3: Cross multiply
    10,530.60x = 15,798.06 × 6,145.80
  4. Step 4: Simplify right side
    10,530.60x = 97,091,717.15
  5. Step 5: Solve for x
    x = 97,091,717.15/10,530.60
  6. Step 6: Final answer
    x = 9,219.96

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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.