Home / 14,258.90-21,390.78-4,396.34

Finding the Fourth Proportional to 14,258.90, 21,390.78 and 4,396.34

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Solution

The fourth proportional to 14,258.90, 21,390.78 and 4,396.34 is: 6,595.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258.90 : 21,390.78 = 4,396.34 : x
  2. Step 2: Convert to fraction form
    14,258.90/21,390.78 = 4,396.34/x
  3. Step 3: Cross multiply
    14,258.90x = 21,390.78 × 4,396.34
  4. Step 4: Simplify right side
    14,258.90x = 94,041,012.81
  5. Step 5: Solve for x
    x = 94,041,012.81/14,258.90
  6. Step 6: Final answer
    x = 6,595.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.