Home / 10,005.08-15,009.77-2,985.14

Finding the Fourth Proportional to 10,005.08, 15,009.77 and 2,985.14

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Solution

The fourth proportional to 10,005.08, 15,009.77 and 2,985.14 is: 4,478.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005.08 : 15,009.77 = 2,985.14 : x
  2. Step 2: Convert to fraction form
    10,005.08/15,009.77 = 2,985.14/x
  3. Step 3: Cross multiply
    10,005.08x = 15,009.77 × 2,985.14
  4. Step 4: Simplify right side
    10,005.08x = 44,806,309.81
  5. Step 5: Solve for x
    x = 44,806,309.81/10,005.08
  6. Step 6: Final answer
    x = 4,478.36

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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.