Home / 10,345.29-15,513.37-2,948.07

Finding the Fourth Proportional to 10,345.29, 15,513.37 and 2,948.07

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Solution

The fourth proportional to 10,345.29, 15,513.37 and 2,948.07 is: 4,420.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.29 : 15,513.37 = 2,948.07 : x
  2. Step 2: Convert to fraction form
    10,345.29/15,513.37 = 2,948.07/x
  3. Step 3: Cross multiply
    10,345.29x = 15,513.37 × 2,948.07
  4. Step 4: Simplify right side
    10,345.29x = 45,734,430.50
  5. Step 5: Solve for x
    x = 45,734,430.50/10,345.29
  6. Step 6: Final answer
    x = 4,420.80

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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.