Home / 10,014.20-14,989.80-6,875.84

Finding the Fourth Proportional to 10,014.20, 14,989.80 and 6,875.84

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Solution

The fourth proportional to 10,014.20, 14,989.80 and 6,875.84 is: 10,292.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.20 : 14,989.80 = 6,875.84 : x
  2. Step 2: Convert to fraction form
    10,014.20/14,989.80 = 6,875.84/x
  3. Step 3: Cross multiply
    10,014.20x = 14,989.80 × 6,875.84
  4. Step 4: Simplify right side
    10,014.20x = 103,067,466.43
  5. Step 5: Solve for x
    x = 103,067,466.43/10,014.20
  6. Step 6: Final answer
    x = 10,292.13

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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.