Home / 14,630.48-21,931.88-4,762.84

Finding the Fourth Proportional to 14,630.48, 21,931.88 and 4,762.84

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Solution

The fourth proportional to 14,630.48, 21,931.88 and 4,762.84 is: 7,139.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,630.48 : 21,931.88 = 4,762.84 : x
  2. Step 2: Convert to fraction form
    14,630.48/21,931.88 = 4,762.84/x
  3. Step 3: Cross multiply
    14,630.48x = 21,931.88 × 4,762.84
  4. Step 4: Simplify right side
    14,630.48x = 104,458,035.34
  5. Step 5: Solve for x
    x = 104,458,035.34/14,630.48
  6. Step 6: Final answer
    x = 7,139.75

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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.