Home / 18,303.36-27,437.76-9,064.32

Finding the Fourth Proportional to 18,303.36, 27,437.76 and 9,064.32

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Solution

The fourth proportional to 18,303.36, 27,437.76 and 9,064.32 is: 13,587.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303.36 : 27,437.76 = 9,064.32 : x
  2. Step 2: Convert to fraction form
    18,303.36/27,437.76 = 9,064.32/x
  3. Step 3: Cross multiply
    18,303.36x = 27,437.76 × 9,064.32
  4. Step 4: Simplify right side
    18,303.36x = 248,704,636.72
  5. Step 5: Solve for x
    x = 248,704,636.72/18,303.36
  6. Step 6: Final answer
    x = 13,587.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.