Home / 14,356.08-19,788.84-13,150.80

Finding the Fourth Proportional to 14,356.08, 19,788.84 and 13,150.80

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Solution

The fourth proportional to 14,356.08, 19,788.84 and 13,150.80 is: 18,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.08 : 19,788.84 = 13,150.80 : x
  2. Step 2: Convert to fraction form
    14,356.08/19,788.84 = 13,150.80/x
  3. Step 3: Cross multiply
    14,356.08x = 19,788.84 × 13,150.80
  4. Step 4: Simplify right side
    14,356.08x = 260,239,077.07
  5. Step 5: Solve for x
    x = 260,239,077.07/14,356.08
  6. Step 6: Final answer
    x = 18,127.45

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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.