Home / 15,490.09-23,222.07-6,718.40

Finding the Fourth Proportional to 15,490.09, 23,222.07 and 6,718.40

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Solution

The fourth proportional to 15,490.09, 23,222.07 and 6,718.40 is: 10,071.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,490.09 : 23,222.07 = 6,718.40 : x
  2. Step 2: Convert to fraction form
    15,490.09/23,222.07 = 6,718.40/x
  3. Step 3: Cross multiply
    15,490.09x = 23,222.07 × 6,718.40
  4. Step 4: Simplify right side
    15,490.09x = 156,015,038.98
  5. Step 5: Solve for x
    x = 156,015,038.98/15,490.09
  6. Step 6: Final answer
    x = 10,071.93

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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.