Home / 13,056.39-18,017.54-7,088.01

Finding the Fourth Proportional to 13,056.39, 18,017.54 and 7,088.01

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Solution

The fourth proportional to 13,056.39, 18,017.54 and 7,088.01 is: 9,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.39 : 18,017.54 = 7,088.01 : x
  2. Step 2: Convert to fraction form
    13,056.39/18,017.54 = 7,088.01/x
  3. Step 3: Cross multiply
    13,056.39x = 18,017.54 × 7,088.01
  4. Step 4: Simplify right side
    13,056.39x = 127,708,427.27
  5. Step 5: Solve for x
    x = 127,708,427.27/13,056.39
  6. Step 6: Final answer
    x = 9,781.30

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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.