Home / 14,280.22-21,430.05-8,586.12

Finding the Fourth Proportional to 14,280.22, 21,430.05 and 8,586.12

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Solution

The fourth proportional to 14,280.22, 21,430.05 and 8,586.12 is: 12,885.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.22 : 21,430.05 = 8,586.12 : x
  2. Step 2: Convert to fraction form
    14,280.22/21,430.05 = 8,586.12/x
  3. Step 3: Cross multiply
    14,280.22x = 21,430.05 × 8,586.12
  4. Step 4: Simplify right side
    14,280.22x = 184,000,980.91
  5. Step 5: Solve for x
    x = 184,000,980.91/14,280.22
  6. Step 6: Final answer
    x = 12,885.02

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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.