Home / 9,386.60-12,953.34-5,137.56

Finding the Fourth Proportional to 9,386.60, 12,953.34 and 5,137.56

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Solution

The fourth proportional to 9,386.60, 12,953.34 and 5,137.56 is: 7,089.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,386.60 : 12,953.34 = 5,137.56 : x
  2. Step 2: Convert to fraction form
    9,386.60/12,953.34 = 5,137.56/x
  3. Step 3: Cross multiply
    9,386.60x = 12,953.34 × 5,137.56
  4. Step 4: Simplify right side
    9,386.60x = 66,548,561.45
  5. Step 5: Solve for x
    x = 66,548,561.45/9,386.60
  6. Step 6: Final answer
    x = 7,089.74

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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.