Home / 13,526.79-18,645.98-13,264.35

Finding the Fourth Proportional to 13,526.79, 18,645.98 and 13,264.35

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Solution

The fourth proportional to 13,526.79, 18,645.98 and 13,264.35 is: 18,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.79 : 18,645.98 = 13,264.35 : x
  2. Step 2: Convert to fraction form
    13,526.79/18,645.98 = 13,264.35/x
  3. Step 3: Cross multiply
    13,526.79x = 18,645.98 × 13,264.35
  4. Step 4: Simplify right side
    13,526.79x = 247,326,738.49
  5. Step 5: Solve for x
    x = 247,326,738.49/13,526.79
  6. Step 6: Final answer
    x = 18,284.22

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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.