Home / 19,073.04-28,613.68-7,828.40

Finding the Fourth Proportional to 19,073.04, 28,613.68 and 7,828.40

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Solution

The fourth proportional to 19,073.04, 28,613.68 and 7,828.40 is: 11,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,073.04 : 28,613.68 = 7,828.40 : x
  2. Step 2: Convert to fraction form
    19,073.04/28,613.68 = 7,828.40/x
  3. Step 3: Cross multiply
    19,073.04x = 28,613.68 × 7,828.40
  4. Step 4: Simplify right side
    19,073.04x = 223,999,332.51
  5. Step 5: Solve for x
    x = 223,999,332.51/19,073.04
  6. Step 6: Final answer
    x = 11,744.29

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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.