Home / 10,756.48-14,840.25-6,720.57

Finding the Fourth Proportional to 10,756.48, 14,840.25 and 6,720.57

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Solution

The fourth proportional to 10,756.48, 14,840.25 and 6,720.57 is: 9,272.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,756.48 : 14,840.25 = 6,720.57 : x
  2. Step 2: Convert to fraction form
    10,756.48/14,840.25 = 6,720.57/x
  3. Step 3: Cross multiply
    10,756.48x = 14,840.25 × 6,720.57
  4. Step 4: Simplify right side
    10,756.48x = 99,734,938.94
  5. Step 5: Solve for x
    x = 99,734,938.94/10,756.48
  6. Step 6: Final answer
    x = 9,272.08

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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.