Home / 13,357.36-18,421.88-10,008.08

Finding the Fourth Proportional to 13,357.36, 18,421.88 and 10,008.08

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Solution

The fourth proportional to 13,357.36, 18,421.88 and 10,008.08 is: 13,802.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.36 : 18,421.88 = 10,008.08 : x
  2. Step 2: Convert to fraction form
    13,357.36/18,421.88 = 10,008.08/x
  3. Step 3: Cross multiply
    13,357.36x = 18,421.88 × 10,008.08
  4. Step 4: Simplify right side
    13,357.36x = 184,367,648.79
  5. Step 5: Solve for x
    x = 184,367,648.79/13,357.36
  6. Step 6: Final answer
    x = 13,802.70

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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.