Home / 13,118.95-19,685.63-6,193.27

Finding the Fourth Proportional to 13,118.95, 19,685.63 and 6,193.27

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Solution

The fourth proportional to 13,118.95, 19,685.63 and 6,193.27 is: 9,293.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118.95 : 19,685.63 = 6,193.27 : x
  2. Step 2: Convert to fraction form
    13,118.95/19,685.63 = 6,193.27/x
  3. Step 3: Cross multiply
    13,118.95x = 19,685.63 × 6,193.27
  4. Step 4: Simplify right side
    13,118.95x = 121,918,421.71
  5. Step 5: Solve for x
    x = 121,918,421.71/13,118.95
  6. Step 6: Final answer
    x = 9,293.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.