Home / 14,417.89-19,897.37-8,130.13

Finding the Fourth Proportional to 14,417.89, 19,897.37 and 8,130.13

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Solution

The fourth proportional to 14,417.89, 19,897.37 and 8,130.13 is: 11,219.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,417.89 : 19,897.37 = 8,130.13 : x
  2. Step 2: Convert to fraction form
    14,417.89/19,897.37 = 8,130.13/x
  3. Step 3: Cross multiply
    14,417.89x = 19,897.37 × 8,130.13
  4. Step 4: Simplify right side
    14,417.89x = 161,768,204.76
  5. Step 5: Solve for x
    x = 161,768,204.76/14,417.89
  6. Step 6: Final answer
    x = 11,219.96

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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.