Home / 13,054.06-18,014.98-7,086.11

Finding the Fourth Proportional to 13,054.06, 18,014.98 and 7,086.11

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Solution

The fourth proportional to 13,054.06, 18,014.98 and 7,086.11 is: 9,779.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.06 : 18,014.98 = 7,086.11 : x
  2. Step 2: Convert to fraction form
    13,054.06/18,014.98 = 7,086.11/x
  3. Step 3: Cross multiply
    13,054.06x = 18,014.98 × 7,086.11
  4. Step 4: Simplify right side
    13,054.06x = 127,656,106.02
  5. Step 5: Solve for x
    x = 127,656,106.02/13,054.06
  6. Step 6: Final answer
    x = 9,779.03

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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.