Home / 13,336.32-18,404.63-9,973.20

Finding the Fourth Proportional to 13,336.32, 18,404.63 and 9,973.20

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Solution

The fourth proportional to 13,336.32, 18,404.63 and 9,973.20 is: 13,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.32 : 18,404.63 = 9,973.20 : x
  2. Step 2: Convert to fraction form
    13,336.32/18,404.63 = 9,973.20/x
  3. Step 3: Cross multiply
    13,336.32x = 18,404.63 × 9,973.20
  4. Step 4: Simplify right side
    13,336.32x = 183,553,055.92
  5. Step 5: Solve for x
    x = 183,553,055.92/13,336.32
  6. Step 6: Final answer
    x = 13,763.40

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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.