Home / 19,030.26-26,255.40-11,070.80

Finding the Fourth Proportional to 19,030.26, 26,255.40 and 11,070.80

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Solution

The fourth proportional to 19,030.26, 26,255.40 and 11,070.80 is: 15,274.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,030.26 : 26,255.40 = 11,070.80 : x
  2. Step 2: Convert to fraction form
    19,030.26/26,255.40 = 11,070.80/x
  3. Step 3: Cross multiply
    19,030.26x = 26,255.40 × 11,070.80
  4. Step 4: Simplify right side
    19,030.26x = 290,668,282.32
  5. Step 5: Solve for x
    x = 290,668,282.32/19,030.26
  6. Step 6: Final answer
    x = 15,274.00

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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.