Home / 18,300.77-25,230.63-14,536.40

Finding the Fourth Proportional to 18,300.77, 25,230.63 and 14,536.40

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Solution

The fourth proportional to 18,300.77, 25,230.63 and 14,536.40 is: 20,040.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,300.77 : 25,230.63 = 14,536.40 : x
  2. Step 2: Convert to fraction form
    18,300.77/25,230.63 = 14,536.40/x
  3. Step 3: Cross multiply
    18,300.77x = 25,230.63 × 14,536.40
  4. Step 4: Simplify right side
    18,300.77x = 366,762,403.78
  5. Step 5: Solve for x
    x = 366,762,403.78/18,300.77
  6. Step 6: Final answer
    x = 20,040.82

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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.