Home / 13,245.63-19,871.86-4,925.91

Finding the Fourth Proportional to 13,245.63, 19,871.86 and 4,925.91

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Solution

The fourth proportional to 13,245.63, 19,871.86 and 4,925.91 is: 7,390.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.63 : 19,871.86 = 4,925.91 : x
  2. Step 2: Convert to fraction form
    13,245.63/19,871.86 = 4,925.91/x
  3. Step 3: Cross multiply
    13,245.63x = 19,871.86 × 4,925.91
  4. Step 4: Simplify right side
    13,245.63x = 97,886,993.89
  5. Step 5: Solve for x
    x = 97,886,993.89/13,245.63
  6. Step 6: Final answer
    x = 7,390.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.