Home / 14,541.42-20,077.29-9,768.63

Finding the Fourth Proportional to 14,541.42, 20,077.29 and 9,768.63

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Solution

The fourth proportional to 14,541.42, 20,077.29 and 9,768.63 is: 13,487.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,541.42 : 20,077.29 = 9,768.63 : x
  2. Step 2: Convert to fraction form
    14,541.42/20,077.29 = 9,768.63/x
  3. Step 3: Cross multiply
    14,541.42x = 20,077.29 × 9,768.63
  4. Step 4: Simplify right side
    14,541.42x = 196,127,617.41
  5. Step 5: Solve for x
    x = 196,127,617.41/14,541.42
  6. Step 6: Final answer
    x = 13,487.51

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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.