Home / 8,713.36-12,024.48-5,356.72

Finding the Fourth Proportional to 8,713.36, 12,024.48 and 5,356.72

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Solution

The fourth proportional to 8,713.36, 12,024.48 and 5,356.72 is: 7,392.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.36 : 12,024.48 = 5,356.72 : x
  2. Step 2: Convert to fraction form
    8,713.36/12,024.48 = 5,356.72/x
  3. Step 3: Cross multiply
    8,713.36x = 12,024.48 × 5,356.72
  4. Step 4: Simplify right side
    8,713.36x = 64,411,772.51
  5. Step 5: Solve for x
    x = 64,411,772.51/8,713.36
  6. Step 6: Final answer
    x = 7,392.30

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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.