Home / 15,639.18-23,459.07-5,109.23

Finding the Fourth Proportional to 15,639.18, 23,459.07 and 5,109.23

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Solution

The fourth proportional to 15,639.18, 23,459.07 and 5,109.23 is: 7,663.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,639.18 : 23,459.07 = 5,109.23 : x
  2. Step 2: Convert to fraction form
    15,639.18/23,459.07 = 5,109.23/x
  3. Step 3: Cross multiply
    15,639.18x = 23,459.07 × 5,109.23
  4. Step 4: Simplify right side
    15,639.18x = 119,857,784.22
  5. Step 5: Solve for x
    x = 119,857,784.22/15,639.18
  6. Step 6: Final answer
    x = 7,663.94

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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.