Home / 15,436.40-21,302.58-9,064.82

Finding the Fourth Proportional to 15,436.40, 21,302.58 and 9,064.82

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Solution

The fourth proportional to 15,436.40, 21,302.58 and 9,064.82 is: 12,509.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436.40 : 21,302.58 = 9,064.82 : x
  2. Step 2: Convert to fraction form
    15,436.40/21,302.58 = 9,064.82/x
  3. Step 3: Cross multiply
    15,436.40x = 21,302.58 × 9,064.82
  4. Step 4: Simplify right side
    15,436.40x = 193,104,053.24
  5. Step 5: Solve for x
    x = 193,104,053.24/15,436.40
  6. Step 6: Final answer
    x = 12,509.66

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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.