Home / 14,260.23-19,688.40-12,765.60

Finding the Fourth Proportional to 14,260.23, 19,688.40 and 12,765.60

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Solution

The fourth proportional to 14,260.23, 19,688.40 and 12,765.60 is: 17,624.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.23 : 19,688.40 = 12,765.60 : x
  2. Step 2: Convert to fraction form
    14,260.23/19,688.40 = 12,765.60/x
  3. Step 3: Cross multiply
    14,260.23x = 19,688.40 × 12,765.60
  4. Step 4: Simplify right side
    14,260.23x = 251,334,239.04
  5. Step 5: Solve for x
    x = 251,334,239.04/14,260.23
  6. Step 6: Final answer
    x = 17,624.84

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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.