Home / 15,890.50-23,842.36-7,001.28

Finding the Fourth Proportional to 15,890.50, 23,842.36 and 7,001.28

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Solution

The fourth proportional to 15,890.50, 23,842.36 and 7,001.28 is: 10,504.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,890.50 : 23,842.36 = 7,001.28 : x
  2. Step 2: Convert to fraction form
    15,890.50/23,842.36 = 7,001.28/x
  3. Step 3: Cross multiply
    15,890.50x = 23,842.36 × 7,001.28
  4. Step 4: Simplify right side
    15,890.50x = 166,927,038.22
  5. Step 5: Solve for x
    x = 166,927,038.22/15,890.50
  6. Step 6: Final answer
    x = 10,504.83

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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.