Home / 23,155.49-31,946.65-14,655.35

Finding the Fourth Proportional to 23,155.49, 31,946.65 and 14,655.35

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Solution

The fourth proportional to 23,155.49, 31,946.65 and 14,655.35 is: 20,219.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,155.49 : 31,946.65 = 14,655.35 : x
  2. Step 2: Convert to fraction form
    23,155.49/31,946.65 = 14,655.35/x
  3. Step 3: Cross multiply
    23,155.49x = 31,946.65 × 14,655.35
  4. Step 4: Simplify right side
    23,155.49x = 468,189,140.71
  5. Step 5: Solve for x
    x = 468,189,140.71/23,155.49
  6. Step 6: Final answer
    x = 20,219.36

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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.