Home / 13,808.22-19,071.18-9,113.46

Finding the Fourth Proportional to 13,808.22, 19,071.18 and 9,113.46

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Solution

The fourth proportional to 13,808.22, 19,071.18 and 9,113.46 is: 12,587.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808.22 : 19,071.18 = 9,113.46 : x
  2. Step 2: Convert to fraction form
    13,808.22/19,071.18 = 9,113.46/x
  3. Step 3: Cross multiply
    13,808.22x = 19,071.18 × 9,113.46
  4. Step 4: Simplify right side
    13,808.22x = 173,804,436.08
  5. Step 5: Solve for x
    x = 173,804,436.08/13,808.22
  6. Step 6: Final answer
    x = 12,587.03

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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.