Home / 14,570.07-20,107.20-9,264.77

Finding the Fourth Proportional to 14,570.07, 20,107.20 and 9,264.77

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Solution

The fourth proportional to 14,570.07, 20,107.20 and 9,264.77 is: 12,785.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,570.07 : 20,107.20 = 9,264.77 : x
  2. Step 2: Convert to fraction form
    14,570.07/20,107.20 = 9,264.77/x
  3. Step 3: Cross multiply
    14,570.07x = 20,107.20 × 9,264.77
  4. Step 4: Simplify right side
    14,570.07x = 186,288,583.34
  5. Step 5: Solve for x
    x = 186,288,583.34/14,570.07
  6. Step 6: Final answer
    x = 12,785.70

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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.