Home / 13,875.16-20,814.92-4,512.98

Finding the Fourth Proportional to 13,875.16, 20,814.92 and 4,512.98

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Solution

The fourth proportional to 13,875.16, 20,814.92 and 4,512.98 is: 6,770.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,875.16 : 20,814.92 = 4,512.98 : x
  2. Step 2: Convert to fraction form
    13,875.16/20,814.92 = 4,512.98/x
  3. Step 3: Cross multiply
    13,875.16x = 20,814.92 × 4,512.98
  4. Step 4: Simplify right side
    13,875.16x = 93,937,386.16
  5. Step 5: Solve for x
    x = 93,937,386.16/13,875.16
  6. Step 6: Final answer
    x = 6,770.18

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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.