Home / 13,030.79-17,982.50-7,062.40

Finding the Fourth Proportional to 13,030.79, 17,982.50 and 7,062.40

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Solution

The fourth proportional to 13,030.79, 17,982.50 and 7,062.40 is: 9,746.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.79 : 17,982.50 = 7,062.40 : x
  2. Step 2: Convert to fraction form
    13,030.79/17,982.50 = 7,062.40/x
  3. Step 3: Cross multiply
    13,030.79x = 17,982.50 × 7,062.40
  4. Step 4: Simplify right side
    13,030.79x = 126,999,608
  5. Step 5: Solve for x
    x = 126,999,608/13,030.79
  6. Step 6: Final answer
    x = 9,746.12

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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.