Home / 16,869.40-23,281.56-10,157.20

Finding the Fourth Proportional to 16,869.40, 23,281.56 and 10,157.20

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Solution

The fourth proportional to 16,869.40, 23,281.56 and 10,157.20 is: 14,018.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869.40 : 23,281.56 = 10,157.20 : x
  2. Step 2: Convert to fraction form
    16,869.40/23,281.56 = 10,157.20/x
  3. Step 3: Cross multiply
    16,869.40x = 23,281.56 × 10,157.20
  4. Step 4: Simplify right side
    16,869.40x = 236,475,461.23
  5. Step 5: Solve for x
    x = 236,475,461.23/16,869.40
  6. Step 6: Final answer
    x = 14,018.01

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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.