Home / 10,847.20-14,968.98-6,131.32

Finding the Fourth Proportional to 10,847.20, 14,968.98 and 6,131.32

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Solution

The fourth proportional to 10,847.20, 14,968.98 and 6,131.32 is: 8,461.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,847.20 : 14,968.98 = 6,131.32 : x
  2. Step 2: Convert to fraction form
    10,847.20/14,968.98 = 6,131.32/x
  3. Step 3: Cross multiply
    10,847.20x = 14,968.98 × 6,131.32
  4. Step 4: Simplify right side
    10,847.20x = 91,779,606.45
  5. Step 5: Solve for x
    x = 91,779,606.45/10,847.20
  6. Step 6: Final answer
    x = 8,461.13

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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.