Home / 12,031.77-18,054.45-6,484.98

Finding the Fourth Proportional to 12,031.77, 18,054.45 and 6,484.98

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Solution

The fourth proportional to 12,031.77, 18,054.45 and 6,484.98 is: 9,731.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.77 : 18,054.45 = 6,484.98 : x
  2. Step 2: Convert to fraction form
    12,031.77/18,054.45 = 6,484.98/x
  3. Step 3: Cross multiply
    12,031.77x = 18,054.45 × 6,484.98
  4. Step 4: Simplify right side
    12,031.77x = 117,082,747.16
  5. Step 5: Solve for x
    x = 117,082,747.16/12,031.77
  6. Step 6: Final answer
    x = 9,731.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.