Home / 13,495.95-18,642.54-12,238.41

Finding the Fourth Proportional to 13,495.95, 18,642.54 and 12,238.41

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Solution

The fourth proportional to 13,495.95, 18,642.54 and 12,238.41 is: 16,905.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495.95 : 18,642.54 = 12,238.41 : x
  2. Step 2: Convert to fraction form
    13,495.95/18,642.54 = 12,238.41/x
  3. Step 3: Cross multiply
    13,495.95x = 18,642.54 × 12,238.41
  4. Step 4: Simplify right side
    13,495.95x = 228,155,047.96
  5. Step 5: Solve for x
    x = 228,155,047.96/13,495.95
  6. Step 6: Final answer
    x = 16,905.45

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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.