Home / 13,289.37-19,937.64-4,970.22

Finding the Fourth Proportional to 13,289.37, 19,937.64 and 4,970.22

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Solution

The fourth proportional to 13,289.37, 19,937.64 and 4,970.22 is: 7,456.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289.37 : 19,937.64 = 4,970.22 : x
  2. Step 2: Convert to fraction form
    13,289.37/19,937.64 = 4,970.22/x
  3. Step 3: Cross multiply
    13,289.37x = 19,937.64 × 4,970.22
  4. Step 4: Simplify right side
    13,289.37x = 99,094,541.14
  5. Step 5: Solve for x
    x = 99,094,541.14/13,289.37
  6. Step 6: Final answer
    x = 7,456.68

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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.