Home / 10,146.30-14,000.67-5,669.70

Finding the Fourth Proportional to 10,146.30, 14,000.67 and 5,669.70

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Solution

The fourth proportional to 10,146.30, 14,000.67 and 5,669.70 is: 7,823.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,146.30 : 14,000.67 = 5,669.70 : x
  2. Step 2: Convert to fraction form
    10,146.30/14,000.67 = 5,669.70/x
  3. Step 3: Cross multiply
    10,146.30x = 14,000.67 × 5,669.70
  4. Step 4: Simplify right side
    10,146.30x = 79,379,598.70
  5. Step 5: Solve for x
    x = 79,379,598.70/10,146.30
  6. Step 6: Final answer
    x = 7,823.50

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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.