Home / 15,072.87-20,756.70-14,110.16

Finding the Fourth Proportional to 15,072.87, 20,756.70 and 14,110.16

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Solution

The fourth proportional to 15,072.87, 20,756.70 and 14,110.16 is: 19,430.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,072.87 : 20,756.70 = 14,110.16 : x
  2. Step 2: Convert to fraction form
    15,072.87/20,756.70 = 14,110.16/x
  3. Step 3: Cross multiply
    15,072.87x = 20,756.70 × 14,110.16
  4. Step 4: Simplify right side
    15,072.87x = 292,880,254.29
  5. Step 5: Solve for x
    x = 292,880,254.29/15,072.87
  6. Step 6: Final answer
    x = 19,430.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.