Home / 13,070.23-18,036.99-7,101.89

Finding the Fourth Proportional to 13,070.23, 18,036.99 and 7,101.89

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Solution

The fourth proportional to 13,070.23, 18,036.99 and 7,101.89 is: 9,800.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070.23 : 18,036.99 = 7,101.89 : x
  2. Step 2: Convert to fraction form
    13,070.23/18,036.99 = 7,101.89/x
  3. Step 3: Cross multiply
    13,070.23x = 18,036.99 × 7,101.89
  4. Step 4: Simplify right side
    13,070.23x = 128,096,746.25
  5. Step 5: Solve for x
    x = 128,096,746.25/13,070.23
  6. Step 6: Final answer
    x = 9,800.65

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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.