Home / 10,530.57-14,525.55-6,749.84

Finding the Fourth Proportional to 10,530.57, 14,525.55 and 6,749.84

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Solution

The fourth proportional to 10,530.57, 14,525.55 and 6,749.84 is: 9,310.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.57 : 14,525.55 = 6,749.84 : x
  2. Step 2: Convert to fraction form
    10,530.57/14,525.55 = 6,749.84/x
  3. Step 3: Cross multiply
    10,530.57x = 14,525.55 × 6,749.84
  4. Step 4: Simplify right side
    10,530.57x = 98,045,065.78
  5. Step 5: Solve for x
    x = 98,045,065.78/10,530.57
  6. Step 6: Final answer
    x = 9,310.52

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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.