Home / 15,604.84-21,530.34-9,314.92

Finding the Fourth Proportional to 15,604.84, 21,530.34 and 9,314.92

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Solution

The fourth proportional to 15,604.84, 21,530.34 and 9,314.92 is: 12,852.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604.84 : 21,530.34 = 9,314.92 : x
  2. Step 2: Convert to fraction form
    15,604.84/21,530.34 = 9,314.92/x
  3. Step 3: Cross multiply
    15,604.84x = 21,530.34 × 9,314.92
  4. Step 4: Simplify right side
    15,604.84x = 200,553,394.67
  5. Step 5: Solve for x
    x = 200,553,394.67/15,604.84
  6. Step 6: Final answer
    x = 12,852.00

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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.