Home / 9,534.24-13,160.88-6,389.28

Finding the Fourth Proportional to 9,534.24, 13,160.88 and 6,389.28

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Solution

The fourth proportional to 9,534.24, 13,160.88 and 6,389.28 is: 8,819.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,534.24 : 13,160.88 = 6,389.28 : x
  2. Step 2: Convert to fraction form
    9,534.24/13,160.88 = 6,389.28/x
  3. Step 3: Cross multiply
    9,534.24x = 13,160.88 × 6,389.28
  4. Step 4: Simplify right side
    9,534.24x = 84,088,547.37
  5. Step 5: Solve for x
    x = 84,088,547.37/9,534.24
  6. Step 6: Final answer
    x = 8,819.64

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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.