Home / 10,809.12-14,915.52-6,094.20

Finding the Fourth Proportional to 10,809.12, 14,915.52 and 6,094.20

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Solution

The fourth proportional to 10,809.12, 14,915.52 and 6,094.20 is: 8,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.12 : 14,915.52 = 6,094.20 : x
  2. Step 2: Convert to fraction form
    10,809.12/14,915.52 = 6,094.20/x
  3. Step 3: Cross multiply
    10,809.12x = 14,915.52 × 6,094.20
  4. Step 4: Simplify right side
    10,809.12x = 90,898,161.98
  5. Step 5: Solve for x
    x = 90,898,161.98/10,809.12
  6. Step 6: Final answer
    x = 8,409.40

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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.