Home / 13,011.04-17,938.29-8,293.60

Finding the Fourth Proportional to 13,011.04, 17,938.29 and 8,293.60

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Solution

The fourth proportional to 13,011.04, 17,938.29 and 8,293.60 is: 11,434.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.04 : 17,938.29 = 8,293.60 : x
  2. Step 2: Convert to fraction form
    13,011.04/17,938.29 = 8,293.60/x
  3. Step 3: Cross multiply
    13,011.04x = 17,938.29 × 8,293.60
  4. Step 4: Simplify right side
    13,011.04x = 148,773,001.94
  5. Step 5: Solve for x
    x = 148,773,001.94/13,011.04
  6. Step 6: Final answer
    x = 11,434.37

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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.