Home / 19,199.34-26,484.99-13,220.64

Finding the Fourth Proportional to 19,199.34, 26,484.99 and 13,220.64

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Solution

The fourth proportional to 19,199.34, 26,484.99 and 13,220.64 is: 18,237.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,199.34 : 26,484.99 = 13,220.64 : x
  2. Step 2: Convert to fraction form
    19,199.34/26,484.99 = 13,220.64/x
  3. Step 3: Cross multiply
    19,199.34x = 26,484.99 × 13,220.64
  4. Step 4: Simplify right side
    19,199.34x = 350,148,518.19
  5. Step 5: Solve for x
    x = 350,148,518.19/19,199.34
  6. Step 6: Final answer
    x = 18,237.53

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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.