Home / 13,056.40-18,017.77-7,088.02

Finding the Fourth Proportional to 13,056.40, 18,017.77 and 7,088.02

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Solution

The fourth proportional to 13,056.40, 18,017.77 and 7,088.02 is: 9,781.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.40 : 18,017.77 = 7,088.02 : x
  2. Step 2: Convert to fraction form
    13,056.40/18,017.77 = 7,088.02/x
  3. Step 3: Cross multiply
    13,056.40x = 18,017.77 × 7,088.02
  4. Step 4: Simplify right side
    13,056.40x = 127,710,314.12
  5. Step 5: Solve for x
    x = 127,710,314.12/13,056.40
  6. Step 6: Final answer
    x = 9,781.43

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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.