Home / 16,316.56-22,495.04-12,970.48

Finding the Fourth Proportional to 16,316.56, 22,495.04 and 12,970.48

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Solution

The fourth proportional to 16,316.56, 22,495.04 and 12,970.48 is: 17,881.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,316.56 : 22,495.04 = 12,970.48 : x
  2. Step 2: Convert to fraction form
    16,316.56/22,495.04 = 12,970.48/x
  3. Step 3: Cross multiply
    16,316.56x = 22,495.04 × 12,970.48
  4. Step 4: Simplify right side
    16,316.56x = 291,771,466.42
  5. Step 5: Solve for x
    x = 291,771,466.42/16,316.56
  6. Step 6: Final answer
    x = 17,881.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.