Home / 19,357.86-26,712.23-10,858.80

Finding the Fourth Proportional to 19,357.86, 26,712.23 and 10,858.80

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Solution

The fourth proportional to 19,357.86, 26,712.23 and 10,858.80 is: 14,984.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,357.86 : 26,712.23 = 10,858.80 : x
  2. Step 2: Convert to fraction form
    19,357.86/26,712.23 = 10,858.80/x
  3. Step 3: Cross multiply
    19,357.86x = 26,712.23 × 10,858.80
  4. Step 4: Simplify right side
    19,357.86x = 290,062,763.12
  5. Step 5: Solve for x
    x = 290,062,763.12/19,357.86
  6. Step 6: Final answer
    x = 14,984.24

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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.