Home / 12,624.07-17,420.01-7,319.20

Finding the Fourth Proportional to 12,624.07, 17,420.01 and 7,319.20

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Solution

The fourth proportional to 12,624.07, 17,420.01 and 7,319.20 is: 10,099.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624.07 : 17,420.01 = 7,319.20 : x
  2. Step 2: Convert to fraction form
    12,624.07/17,420.01 = 7,319.20/x
  3. Step 3: Cross multiply
    12,624.07x = 17,420.01 × 7,319.20
  4. Step 4: Simplify right side
    12,624.07x = 127,500,537.19
  5. Step 5: Solve for x
    x = 127,500,537.19/12,624.07
  6. Step 6: Final answer
    x = 10,099.80

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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.