Home / 18,880.09-26,054.10-10,266.08

Finding the Fourth Proportional to 18,880.09, 26,054.10 and 10,266.08

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Solution

The fourth proportional to 18,880.09, 26,054.10 and 10,266.08 is: 14,166.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.09 : 26,054.10 = 10,266.08 : x
  2. Step 2: Convert to fraction form
    18,880.09/26,054.10 = 10,266.08/x
  3. Step 3: Cross multiply
    18,880.09x = 26,054.10 × 10,266.08
  4. Step 4: Simplify right side
    18,880.09x = 267,473,514.40
  5. Step 5: Solve for x
    x = 267,473,514.40/18,880.09
  6. Step 6: Final answer
    x = 14,166.96

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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.