Home / 15,430.67-23,147.21-5,043.47

Finding the Fourth Proportional to 15,430.67, 23,147.21 and 5,043.47

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Solution

The fourth proportional to 15,430.67, 23,147.21 and 5,043.47 is: 7,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430.67 : 23,147.21 = 5,043.47 : x
  2. Step 2: Convert to fraction form
    15,430.67/23,147.21 = 5,043.47/x
  3. Step 3: Cross multiply
    15,430.67x = 23,147.21 × 5,043.47
  4. Step 4: Simplify right side
    15,430.67x = 116,742,234.00
  5. Step 5: Solve for x
    x = 116,742,234.00/15,430.67
  6. Step 6: Final answer
    x = 7,565.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.