Home / 13,030.53-17,968.95-11,590.35

Finding the Fourth Proportional to 13,030.53, 17,968.95 and 11,590.35

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Solution

The fourth proportional to 13,030.53, 17,968.95 and 11,590.35 is: 15,982.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.53 : 17,968.95 = 11,590.35 : x
  2. Step 2: Convert to fraction form
    13,030.53/17,968.95 = 11,590.35/x
  3. Step 3: Cross multiply
    13,030.53x = 17,968.95 × 11,590.35
  4. Step 4: Simplify right side
    13,030.53x = 208,266,419.63
  5. Step 5: Solve for x
    x = 208,266,419.63/13,030.53
  6. Step 6: Final answer
    x = 15,982.96

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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.