Home / 14,274.47-21,416.43-9,003.40

Finding the Fourth Proportional to 14,274.47, 21,416.43 and 9,003.40

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Solution

The fourth proportional to 14,274.47, 21,416.43 and 9,003.40 is: 13,508.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.47 : 21,416.43 = 9,003.40 : x
  2. Step 2: Convert to fraction form
    14,274.47/21,416.43 = 9,003.40/x
  3. Step 3: Cross multiply
    14,274.47x = 21,416.43 × 9,003.40
  4. Step 4: Simplify right side
    14,274.47x = 192,820,666.08
  5. Step 5: Solve for x
    x = 192,820,666.08/14,274.47
  6. Step 6: Final answer
    x = 13,508.08

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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.