Home / 13,260.64-18,300.10-7,292.74

Finding the Fourth Proportional to 13,260.64, 18,300.10 and 7,292.74

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Solution

The fourth proportional to 13,260.64, 18,300.10 and 7,292.74 is: 10,064.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.64 : 18,300.10 = 7,292.74 : x
  2. Step 2: Convert to fraction form
    13,260.64/18,300.10 = 7,292.74/x
  3. Step 3: Cross multiply
    13,260.64x = 18,300.10 × 7,292.74
  4. Step 4: Simplify right side
    13,260.64x = 133,457,871.27
  5. Step 5: Solve for x
    x = 133,457,871.27/13,260.64
  6. Step 6: Final answer
    x = 10,064.21

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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.