Home / 10,478.12-14,459.04-6,228.99

Finding the Fourth Proportional to 10,478.12, 14,459.04 and 6,228.99

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Solution

The fourth proportional to 10,478.12, 14,459.04 and 6,228.99 is: 8,595.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478.12 : 14,459.04 = 6,228.99 : x
  2. Step 2: Convert to fraction form
    10,478.12/14,459.04 = 6,228.99/x
  3. Step 3: Cross multiply
    10,478.12x = 14,459.04 × 6,228.99
  4. Step 4: Simplify right side
    10,478.12x = 90,065,215.57
  5. Step 5: Solve for x
    x = 90,065,215.57/10,478.12
  6. Step 6: Final answer
    x = 8,595.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.