Home / 10,438.02-14,405.06-6,191.60

Finding the Fourth Proportional to 10,438.02, 14,405.06 and 6,191.60

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Solution

The fourth proportional to 10,438.02, 14,405.06 and 6,191.60 is: 8,544.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.02 : 14,405.06 = 6,191.60 : x
  2. Step 2: Convert to fraction form
    10,438.02/14,405.06 = 6,191.60/x
  3. Step 3: Cross multiply
    10,438.02x = 14,405.06 × 6,191.60
  4. Step 4: Simplify right side
    10,438.02x = 89,190,312.95
  5. Step 5: Solve for x
    x = 89,190,312.95/10,438.02
  6. Step 6: Final answer
    x = 8,544.75

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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.