Home / 12,045.96-16,615.08-11,054.52

Finding the Fourth Proportional to 12,045.96, 16,615.08 and 11,054.52

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Solution

The fourth proportional to 12,045.96, 16,615.08 and 11,054.52 is: 15,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,045.96 : 16,615.08 = 11,054.52 : x
  2. Step 2: Convert to fraction form
    12,045.96/16,615.08 = 11,054.52/x
  3. Step 3: Cross multiply
    12,045.96x = 16,615.08 × 11,054.52
  4. Step 4: Simplify right side
    12,045.96x = 183,671,734.16
  5. Step 5: Solve for x
    x = 183,671,734.16/12,045.96
  6. Step 6: Final answer
    x = 15,247.58

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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.