Home / 25,696.10-38,547.11-9,897.45

Finding the Fourth Proportional to 25,696.10, 38,547.11 and 9,897.45

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Solution

The fourth proportional to 25,696.10, 38,547.11 and 9,897.45 is: 14,847.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,696.10 : 38,547.11 = 9,897.45 : x
  2. Step 2: Convert to fraction form
    25,696.10/38,547.11 = 9,897.45/x
  3. Step 3: Cross multiply
    25,696.10x = 38,547.11 × 9,897.45
  4. Step 4: Simplify right side
    25,696.10x = 381,518,093.87
  5. Step 5: Solve for x
    x = 381,518,093.87/25,696.10
  6. Step 6: Final answer
    x = 14,847.32

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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.