Home / 21,547.14-32,336.91-9,868.56

Finding the Fourth Proportional to 21,547.14, 32,336.91 and 9,868.56

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Solution

The fourth proportional to 21,547.14, 32,336.91 and 9,868.56 is: 14,810.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,547.14 : 32,336.91 = 9,868.56 : x
  2. Step 2: Convert to fraction form
    21,547.14/32,336.91 = 9,868.56/x
  3. Step 3: Cross multiply
    21,547.14x = 32,336.91 × 9,868.56
  4. Step 4: Simplify right side
    21,547.14x = 319,118,736.55
  5. Step 5: Solve for x
    x = 319,118,736.55/21,547.14
  6. Step 6: Final answer
    x = 14,810.26

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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.