Home / 20,117.13-30,085.02-15,374.67

Finding the Fourth Proportional to 20,117.13, 30,085.02 and 15,374.67

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Solution

The fourth proportional to 20,117.13, 30,085.02 and 15,374.67 is: 22,992.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117.13 : 30,085.02 = 15,374.67 : x
  2. Step 2: Convert to fraction form
    20,117.13/30,085.02 = 15,374.67/x
  3. Step 3: Cross multiply
    20,117.13x = 30,085.02 × 15,374.67
  4. Step 4: Simplify right side
    20,117.13x = 462,547,254.44
  5. Step 5: Solve for x
    x = 462,547,254.44/20,117.13
  6. Step 6: Final answer
    x = 22,992.71

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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.