Home / 10,306.47-14,222.93-5,830.12

Finding the Fourth Proportional to 10,306.47, 14,222.93 and 5,830.12

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Solution

The fourth proportional to 10,306.47, 14,222.93 and 5,830.12 is: 8,045.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.47 : 14,222.93 = 5,830.12 : x
  2. Step 2: Convert to fraction form
    10,306.47/14,222.93 = 5,830.12/x
  3. Step 3: Cross multiply
    10,306.47x = 14,222.93 × 5,830.12
  4. Step 4: Simplify right side
    10,306.47x = 82,921,450.08
  5. Step 5: Solve for x
    x = 82,921,450.08/10,306.47
  6. Step 6: Final answer
    x = 8,045.57

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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.