Home / 19,112.04-28,653.48-8,716.50

Finding the Fourth Proportional to 19,112.04, 28,653.48 and 8,716.50

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Solution

The fourth proportional to 19,112.04, 28,653.48 and 8,716.50 is: 13,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.04 : 28,653.48 = 8,716.50 : x
  2. Step 2: Convert to fraction form
    19,112.04/28,653.48 = 8,716.50/x
  3. Step 3: Cross multiply
    19,112.04x = 28,653.48 × 8,716.50
  4. Step 4: Simplify right side
    19,112.04x = 249,758,058.42
  5. Step 5: Solve for x
    x = 249,758,058.42/19,112.04
  6. Step 6: Final answer
    x = 13,068.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.