Home / 11,316.81-15,632.95-10,763.23

Finding the Fourth Proportional to 11,316.81, 15,632.95 and 10,763.23

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Solution

The fourth proportional to 11,316.81, 15,632.95 and 10,763.23 is: 14,868.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.81 : 15,632.95 = 10,763.23 : x
  2. Step 2: Convert to fraction form
    11,316.81/15,632.95 = 10,763.23/x
  3. Step 3: Cross multiply
    11,316.81x = 15,632.95 × 10,763.23
  4. Step 4: Simplify right side
    11,316.81x = 168,261,019.93
  5. Step 5: Solve for x
    x = 168,261,019.93/11,316.81
  6. Step 6: Final answer
    x = 14,868.23

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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.