Home / 13,559.17-18,711.47-7,590.84

Finding the Fourth Proportional to 13,559.17, 18,711.47 and 7,590.84

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Solution

The fourth proportional to 13,559.17, 18,711.47 and 7,590.84 is: 10,475.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.17 : 18,711.47 = 7,590.84 : x
  2. Step 2: Convert to fraction form
    13,559.17/18,711.47 = 7,590.84/x
  3. Step 3: Cross multiply
    13,559.17x = 18,711.47 × 7,590.84
  4. Step 4: Simplify right side
    13,559.17x = 142,035,774.93
  5. Step 5: Solve for x
    x = 142,035,774.93/13,559.17
  6. Step 6: Final answer
    x = 10,475.26

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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.