Home / 13,056.16-18,017.89-7,088.21

Finding the Fourth Proportional to 13,056.16, 18,017.89 and 7,088.21

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Solution

The fourth proportional to 13,056.16, 18,017.89 and 7,088.21 is: 9,781.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.16 : 18,017.89 = 7,088.21 : x
  2. Step 2: Convert to fraction form
    13,056.16/18,017.89 = 7,088.21/x
  3. Step 3: Cross multiply
    13,056.16x = 18,017.89 × 7,088.21
  4. Step 4: Simplify right side
    13,056.16x = 127,714,552.64
  5. Step 5: Solve for x
    x = 127,714,552.64/13,056.16
  6. Step 6: Final answer
    x = 9,781.94

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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.