Home / 13,298.56-19,948.34-4,977.70

Finding the Fourth Proportional to 13,298.56, 19,948.34 and 4,977.70

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Solution

The fourth proportional to 13,298.56, 19,948.34 and 4,977.70 is: 7,466.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.56 : 19,948.34 = 4,977.70 : x
  2. Step 2: Convert to fraction form
    13,298.56/19,948.34 = 4,977.70/x
  3. Step 3: Cross multiply
    13,298.56x = 19,948.34 × 4,977.70
  4. Step 4: Simplify right side
    13,298.56x = 99,296,814.59
  5. Step 5: Solve for x
    x = 99,296,814.59/13,298.56
  6. Step 6: Final answer
    x = 7,466.74

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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.