Home / 13,237.79-19,935.95-12,056.81

Finding the Fourth Proportional to 13,237.79, 19,935.95 and 12,056.81

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Solution

The fourth proportional to 13,237.79, 19,935.95 and 12,056.81 is: 18,157.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.79 : 19,935.95 = 12,056.81 : x
  2. Step 2: Convert to fraction form
    13,237.79/19,935.95 = 12,056.81/x
  3. Step 3: Cross multiply
    13,237.79x = 19,935.95 × 12,056.81
  4. Step 4: Simplify right side
    13,237.79x = 240,363,961.32
  5. Step 5: Solve for x
    x = 240,363,961.32/13,237.79
  6. Step 6: Final answer
    x = 18,157.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.