Home / 13,275.90-18,201.96-13,038.98

Finding the Fourth Proportional to 13,275.90, 18,201.96 and 13,038.98

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Solution

The fourth proportional to 13,275.90, 18,201.96 and 13,038.98 is: 17,877.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.90 : 18,201.96 = 13,038.98 : x
  2. Step 2: Convert to fraction form
    13,275.90/18,201.96 = 13,038.98/x
  3. Step 3: Cross multiply
    13,275.90x = 18,201.96 × 13,038.98
  4. Step 4: Simplify right side
    13,275.90x = 237,334,901.39
  5. Step 5: Solve for x
    x = 237,334,901.39/13,275.90
  6. Step 6: Final answer
    x = 17,877.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.