Home / 13,277.37-19,919.51-4,957.45

Finding the Fourth Proportional to 13,277.37, 19,919.51 and 4,957.45

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Solution

The fourth proportional to 13,277.37, 19,919.51 and 4,957.45 is: 7,437.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.37 : 19,919.51 = 4,957.45 : x
  2. Step 2: Convert to fraction form
    13,277.37/19,919.51 = 4,957.45/x
  3. Step 3: Cross multiply
    13,277.37x = 19,919.51 × 4,957.45
  4. Step 4: Simplify right side
    13,277.37x = 98,749,962.46
  5. Step 5: Solve for x
    x = 98,749,962.46/13,277.37
  6. Step 6: Final answer
    x = 7,437.47

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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.