Home / 10,302.42-14,217.48-5,586.68

Finding the Fourth Proportional to 10,302.42, 14,217.48 and 5,586.68

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Solution

The fourth proportional to 10,302.42, 14,217.48 and 5,586.68 is: 7,709.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.42 : 14,217.48 = 5,586.68 : x
  2. Step 2: Convert to fraction form
    10,302.42/14,217.48 = 5,586.68/x
  3. Step 3: Cross multiply
    10,302.42x = 14,217.48 × 5,586.68
  4. Step 4: Simplify right side
    10,302.42x = 79,428,440.08
  5. Step 5: Solve for x
    x = 79,428,440.08/10,302.42
  6. Step 6: Final answer
    x = 7,709.69

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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.