Home / 14,070.56-21,109.76-4,210.16

Finding the Fourth Proportional to 14,070.56, 21,109.76 and 4,210.16

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Solution

The fourth proportional to 14,070.56, 21,109.76 and 4,210.16 is: 6,316.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.56 : 21,109.76 = 4,210.16 : x
  2. Step 2: Convert to fraction form
    14,070.56/21,109.76 = 4,210.16/x
  3. Step 3: Cross multiply
    14,070.56x = 21,109.76 × 4,210.16
  4. Step 4: Simplify right side
    14,070.56x = 88,875,446.11
  5. Step 5: Solve for x
    x = 88,875,446.11/14,070.56
  6. Step 6: Final answer
    x = 6,316.41

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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.