Home / 15,235.77-21,025.20-9,266.34

Finding the Fourth Proportional to 15,235.77, 21,025.20 and 9,266.34

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Solution

The fourth proportional to 15,235.77, 21,025.20 and 9,266.34 is: 12,787.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,235.77 : 21,025.20 = 9,266.34 : x
  2. Step 2: Convert to fraction form
    15,235.77/21,025.20 = 9,266.34/x
  3. Step 3: Cross multiply
    15,235.77x = 21,025.20 × 9,266.34
  4. Step 4: Simplify right side
    15,235.77x = 194,826,651.77
  5. Step 5: Solve for x
    x = 194,826,651.77/15,235.77
  6. Step 6: Final answer
    x = 12,787.45

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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.