Home / 13,303.56-18,359.60-7,335.21

Finding the Fourth Proportional to 13,303.56, 18,359.60 and 7,335.21

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Solution

The fourth proportional to 13,303.56, 18,359.60 and 7,335.21 is: 10,122.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.56 : 18,359.60 = 7,335.21 : x
  2. Step 2: Convert to fraction form
    13,303.56/18,359.60 = 7,335.21/x
  3. Step 3: Cross multiply
    13,303.56x = 18,359.60 × 7,335.21
  4. Step 4: Simplify right side
    13,303.56x = 134,671,484.84
  5. Step 5: Solve for x
    x = 134,671,484.84/13,303.56
  6. Step 6: Final answer
    x = 10,122.97

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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.