Home / 14,337.42-19,783.62-7,963.53

Finding the Fourth Proportional to 14,337.42, 19,783.62 and 7,963.53

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Solution

The fourth proportional to 14,337.42, 19,783.62 and 7,963.53 is: 10,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,337.42 : 19,783.62 = 7,963.53 : x
  2. Step 2: Convert to fraction form
    14,337.42/19,783.62 = 7,963.53/x
  3. Step 3: Cross multiply
    14,337.42x = 19,783.62 × 7,963.53
  4. Step 4: Simplify right side
    14,337.42x = 157,547,451.38
  5. Step 5: Solve for x
    x = 157,547,451.38/14,337.42
  6. Step 6: Final answer
    x = 10,988.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.