Home / 19,317.69-28,976.54-10,547.82

Finding the Fourth Proportional to 19,317.69, 28,976.54 and 10,547.82

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Solution

The fourth proportional to 19,317.69, 28,976.54 and 10,547.82 is: 15,821.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.69 : 28,976.54 = 10,547.82 : x
  2. Step 2: Convert to fraction form
    19,317.69/28,976.54 = 10,547.82/x
  3. Step 3: Cross multiply
    19,317.69x = 28,976.54 × 10,547.82
  4. Step 4: Simplify right side
    19,317.69x = 305,639,275.40
  5. Step 5: Solve for x
    x = 305,639,275.40/19,317.69
  6. Step 6: Final answer
    x = 15,821.73

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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.