Home / 14,509.40-21,764.10-5,274.20

Finding the Fourth Proportional to 14,509.40, 21,764.10 and 5,274.20

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Solution

The fourth proportional to 14,509.40, 21,764.10 and 5,274.20 is: 7,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,509.40 : 21,764.10 = 5,274.20 : x
  2. Step 2: Convert to fraction form
    14,509.40/21,764.10 = 5,274.20/x
  3. Step 3: Cross multiply
    14,509.40x = 21,764.10 × 5,274.20
  4. Step 4: Simplify right side
    14,509.40x = 114,788,216.22
  5. Step 5: Solve for x
    x = 114,788,216.22/14,509.40
  6. Step 6: Final answer
    x = 7,911.30

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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.