Home / 15,613.58-21,547.53-9,243.83

Finding the Fourth Proportional to 15,613.58, 21,547.53 and 9,243.83

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Solution

The fourth proportional to 15,613.58, 21,547.53 and 9,243.83 is: 12,756.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613.58 : 21,547.53 = 9,243.83 : x
  2. Step 2: Convert to fraction form
    15,613.58/21,547.53 = 9,243.83/x
  3. Step 3: Cross multiply
    15,613.58x = 21,547.53 × 9,243.83
  4. Step 4: Simplify right side
    15,613.58x = 199,181,550.28
  5. Step 5: Solve for x
    x = 199,181,550.28/15,613.58
  6. Step 6: Final answer
    x = 12,756.95

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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.