Home / 14,421.34-19,901.43-8,133.71

Finding the Fourth Proportional to 14,421.34, 19,901.43 and 8,133.71

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Solution

The fourth proportional to 14,421.34, 19,901.43 and 8,133.71 is: 11,224.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421.34 : 19,901.43 = 8,133.71 : x
  2. Step 2: Convert to fraction form
    14,421.34/19,901.43 = 8,133.71/x
  3. Step 3: Cross multiply
    14,421.34x = 19,901.43 × 8,133.71
  4. Step 4: Simplify right side
    14,421.34x = 161,872,479.46
  5. Step 5: Solve for x
    x = 161,872,479.46/14,421.34
  6. Step 6: Final answer
    x = 11,224.51

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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.