Home / 14,115.42-21,176.37-7,547.94

Finding the Fourth Proportional to 14,115.42, 21,176.37 and 7,547.94

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Solution

The fourth proportional to 14,115.42, 21,176.37 and 7,547.94 is: 11,323.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.42 : 21,176.37 = 7,547.94 : x
  2. Step 2: Convert to fraction form
    14,115.42/21,176.37 = 7,547.94/x
  3. Step 3: Cross multiply
    14,115.42x = 21,176.37 × 7,547.94
  4. Step 4: Simplify right side
    14,115.42x = 159,837,970.18
  5. Step 5: Solve for x
    x = 159,837,970.18/14,115.42
  6. Step 6: Final answer
    x = 11,323.64

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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.