Home / 15,670.34-21,626.03-10,355.93

Finding the Fourth Proportional to 15,670.34, 21,626.03 and 10,355.93

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Solution

The fourth proportional to 15,670.34, 21,626.03 and 10,355.93 is: 14,291.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,670.34 : 21,626.03 = 10,355.93 : x
  2. Step 2: Convert to fraction form
    15,670.34/21,626.03 = 10,355.93/x
  3. Step 3: Cross multiply
    15,670.34x = 21,626.03 × 10,355.93
  4. Step 4: Simplify right side
    15,670.34x = 223,957,601.08
  5. Step 5: Solve for x
    x = 223,957,601.08/15,670.34
  6. Step 6: Final answer
    x = 14,291.82

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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.