Home / 13,254.51-18,271.92-9,263.22

Finding the Fourth Proportional to 13,254.51, 18,271.92 and 9,263.22

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Solution

The fourth proportional to 13,254.51, 18,271.92 and 9,263.22 is: 12,769.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.51 : 18,271.92 = 9,263.22 : x
  2. Step 2: Convert to fraction form
    13,254.51/18,271.92 = 9,263.22/x
  3. Step 3: Cross multiply
    13,254.51x = 18,271.92 × 9,263.22
  4. Step 4: Simplify right side
    13,254.51x = 169,256,814.78
  5. Step 5: Solve for x
    x = 169,256,814.78/13,254.51
  6. Step 6: Final answer
    x = 12,769.75

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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.