Home / 15,642.14-23,465.55-4,547.39

Finding the Fourth Proportional to 15,642.14, 23,465.55 and 4,547.39

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Solution

The fourth proportional to 15,642.14, 23,465.55 and 4,547.39 is: 6,821.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642.14 : 23,465.55 = 4,547.39 : x
  2. Step 2: Convert to fraction form
    15,642.14/23,465.55 = 4,547.39/x
  3. Step 3: Cross multiply
    15,642.14x = 23,465.55 × 4,547.39
  4. Step 4: Simplify right side
    15,642.14x = 106,706,890.09
  5. Step 5: Solve for x
    x = 106,706,890.09/15,642.14
  6. Step 6: Final answer
    x = 6,821.76

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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.