Home / 12,031.63-16,603.54-6,726.31

Finding the Fourth Proportional to 12,031.63, 16,603.54 and 6,726.31

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Solution

The fourth proportional to 12,031.63, 16,603.54 and 6,726.31 is: 9,282.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.63 : 16,603.54 = 6,726.31 : x
  2. Step 2: Convert to fraction form
    12,031.63/16,603.54 = 6,726.31/x
  3. Step 3: Cross multiply
    12,031.63x = 16,603.54 × 6,726.31
  4. Step 4: Simplify right side
    12,031.63x = 111,680,557.14
  5. Step 5: Solve for x
    x = 111,680,557.14/12,031.63
  6. Step 6: Final answer
    x = 9,282.25

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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.