Home / 13,335.08-18,403.83-7,670.07

Finding the Fourth Proportional to 13,335.08, 18,403.83 and 7,670.07

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Solution

The fourth proportional to 13,335.08, 18,403.83 and 7,670.07 is: 10,585.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.08 : 18,403.83 = 7,670.07 : x
  2. Step 2: Convert to fraction form
    13,335.08/18,403.83 = 7,670.07/x
  3. Step 3: Cross multiply
    13,335.08x = 18,403.83 × 7,670.07
  4. Step 4: Simplify right side
    13,335.08x = 141,158,664.37
  5. Step 5: Solve for x
    x = 141,158,664.37/13,335.08
  6. Step 6: Final answer
    x = 10,585.52

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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.