Home / 19,215.36-26,503.20-14,688.27

Finding the Fourth Proportional to 19,215.36, 26,503.20 and 14,688.27

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Solution

The fourth proportional to 19,215.36, 26,503.20 and 14,688.27 is: 20,259.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.36 : 26,503.20 = 14,688.27 : x
  2. Step 2: Convert to fraction form
    19,215.36/26,503.20 = 14,688.27/x
  3. Step 3: Cross multiply
    19,215.36x = 26,503.20 × 14,688.27
  4. Step 4: Simplify right side
    19,215.36x = 389,286,157.46
  5. Step 5: Solve for x
    x = 389,286,157.46/19,215.36
  6. Step 6: Final answer
    x = 20,259.11

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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.