Home / 15,155.49-22,718.64-7,763.43

Finding the Fourth Proportional to 15,155.49, 22,718.64 and 7,763.43

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Solution

The fourth proportional to 15,155.49, 22,718.64 and 7,763.43 is: 11,637.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,155.49 : 22,718.64 = 7,763.43 : x
  2. Step 2: Convert to fraction form
    15,155.49/22,718.64 = 7,763.43/x
  3. Step 3: Cross multiply
    15,155.49x = 22,718.64 × 7,763.43
  4. Step 4: Simplify right side
    15,155.49x = 176,374,457.74
  5. Step 5: Solve for x
    x = 176,374,457.74/15,155.49
  6. Step 6: Final answer
    x = 11,637.67

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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.