Home / 13,246.81-18,281.06-7,582.55

Finding the Fourth Proportional to 13,246.81, 18,281.06 and 7,582.55

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Solution

The fourth proportional to 13,246.81, 18,281.06 and 7,582.55 is: 10,464.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.81 : 18,281.06 = 7,582.55 : x
  2. Step 2: Convert to fraction form
    13,246.81/18,281.06 = 7,582.55/x
  3. Step 3: Cross multiply
    13,246.81x = 18,281.06 × 7,582.55
  4. Step 4: Simplify right side
    13,246.81x = 138,616,950.62
  5. Step 5: Solve for x
    x = 138,616,950.62/13,246.81
  6. Step 6: Final answer
    x = 10,464.18

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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.