Home / 15,640.40-23,401.74-10,969.53

Finding the Fourth Proportional to 15,640.40, 23,401.74 and 10,969.53

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Solution

The fourth proportional to 15,640.40, 23,401.74 and 10,969.53 is: 16,413.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,640.40 : 23,401.74 = 10,969.53 : x
  2. Step 2: Convert to fraction form
    15,640.40/23,401.74 = 10,969.53/x
  3. Step 3: Cross multiply
    15,640.40x = 23,401.74 × 10,969.53
  4. Step 4: Simplify right side
    15,640.40x = 256,706,088.98
  5. Step 5: Solve for x
    x = 256,706,088.98/15,640.40
  6. Step 6: Final answer
    x = 16,413.01

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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.