Home / 9,533.12-13,157.28-5,806.88

Finding the Fourth Proportional to 9,533.12, 13,157.28 and 5,806.88

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Solution

The fourth proportional to 9,533.12, 13,157.28 and 5,806.88 is: 8,014.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,533.12 : 13,157.28 = 5,806.88 : x
  2. Step 2: Convert to fraction form
    9,533.12/13,157.28 = 5,806.88/x
  3. Step 3: Cross multiply
    9,533.12x = 13,157.28 × 5,806.88
  4. Step 4: Simplify right side
    9,533.12x = 76,402,746.09
  5. Step 5: Solve for x
    x = 76,402,746.09/9,533.12
  6. Step 6: Final answer
    x = 8,014.45

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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.