Home / 13,345.17-20,010.95-4,457.30

Finding the Fourth Proportional to 13,345.17, 20,010.95 and 4,457.30

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Solution

The fourth proportional to 13,345.17, 20,010.95 and 4,457.30 is: 6,683.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.17 : 20,010.95 = 4,457.30 : x
  2. Step 2: Convert to fraction form
    13,345.17/20,010.95 = 4,457.30/x
  3. Step 3: Cross multiply
    13,345.17x = 20,010.95 × 4,457.30
  4. Step 4: Simplify right side
    13,345.17x = 89,194,701.81
  5. Step 5: Solve for x
    x = 89,194,701.81/13,345.17
  6. Step 6: Final answer
    x = 6,683.67

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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.