Home / 13,056.03-18,017.63-7,750.86

Finding the Fourth Proportional to 13,056.03, 18,017.63 and 7,750.86

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Solution

The fourth proportional to 13,056.03, 18,017.63 and 7,750.86 is: 10,696.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.03 : 18,017.63 = 7,750.86 : x
  2. Step 2: Convert to fraction form
    13,056.03/18,017.63 = 7,750.86/x
  3. Step 3: Cross multiply
    13,056.03x = 18,017.63 × 7,750.86
  4. Step 4: Simplify right side
    13,056.03x = 139,652,088.91
  5. Step 5: Solve for x
    x = 139,652,088.91/13,056.03
  6. Step 6: Final answer
    x = 10,696.37

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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.