Home / 10,421.06-15,637.05-4,581.77

Finding the Fourth Proportional to 10,421.06, 15,637.05 and 4,581.77

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Solution

The fourth proportional to 10,421.06, 15,637.05 and 4,581.77 is: 6,875.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,421.06 : 15,637.05 = 4,581.77 : x
  2. Step 2: Convert to fraction form
    10,421.06/15,637.05 = 4,581.77/x
  3. Step 3: Cross multiply
    10,421.06x = 15,637.05 × 4,581.77
  4. Step 4: Simplify right side
    10,421.06x = 71,645,288.39
  5. Step 5: Solve for x
    x = 71,645,288.39/10,421.06
  6. Step 6: Final answer
    x = 6,875.05

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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.