Home / 9,956.34-13,740.45-7,123.98

Finding the Fourth Proportional to 9,956.34, 13,740.45 and 7,123.98

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Solution

The fourth proportional to 9,956.34, 13,740.45 and 7,123.98 is: 9,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,956.34 : 13,740.45 = 7,123.98 : x
  2. Step 2: Convert to fraction form
    9,956.34/13,740.45 = 7,123.98/x
  3. Step 3: Cross multiply
    9,956.34x = 13,740.45 × 7,123.98
  4. Step 4: Simplify right side
    9,956.34x = 97,886,690.99
  5. Step 5: Solve for x
    x = 97,886,690.99/9,956.34
  6. Step 6: Final answer
    x = 9,831.59

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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.