Home / 14,009.32-19,332.78-7,636.30

Finding the Fourth Proportional to 14,009.32, 19,332.78 and 7,636.30

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Solution

The fourth proportional to 14,009.32, 19,332.78 and 7,636.30 is: 10,538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.32 : 19,332.78 = 7,636.30 : x
  2. Step 2: Convert to fraction form
    14,009.32/19,332.78 = 7,636.30/x
  3. Step 3: Cross multiply
    14,009.32x = 19,332.78 × 7,636.30
  4. Step 4: Simplify right side
    14,009.32x = 147,630,907.91
  5. Step 5: Solve for x
    x = 147,630,907.91/14,009.32
  6. Step 6: Final answer
    x = 10,538.05

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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.