Home / 9,802.80-13,521.12-6,264.32

Finding the Fourth Proportional to 9,802.80, 13,521.12 and 6,264.32

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Solution

The fourth proportional to 9,802.80, 13,521.12 and 6,264.32 is: 8,640.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,802.80 : 13,521.12 = 6,264.32 : x
  2. Step 2: Convert to fraction form
    9,802.80/13,521.12 = 6,264.32/x
  3. Step 3: Cross multiply
    9,802.80x = 13,521.12 × 6,264.32
  4. Step 4: Simplify right side
    9,802.80x = 84,700,622.44
  5. Step 5: Solve for x
    x = 84,700,622.44/9,802.80
  6. Step 6: Final answer
    x = 8,640.45

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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.