Home / 11,303.58-15,606.72-8,646.36

Finding the Fourth Proportional to 11,303.58, 15,606.72 and 8,646.36

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Solution

The fourth proportional to 11,303.58, 15,606.72 and 8,646.36 is: 11,937.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,303.58 : 15,606.72 = 8,646.36 : x
  2. Step 2: Convert to fraction form
    11,303.58/15,606.72 = 8,646.36/x
  3. Step 3: Cross multiply
    11,303.58x = 15,606.72 × 8,646.36
  4. Step 4: Simplify right side
    11,303.58x = 134,941,319.54
  5. Step 5: Solve for x
    x = 134,941,319.54/11,303.58
  6. Step 6: Final answer
    x = 11,937.93

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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.