Home / 14,603.10-20,146.28-10,783.86

Finding the Fourth Proportional to 14,603.10, 20,146.28 and 10,783.86

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Solution

The fourth proportional to 14,603.10, 20,146.28 and 10,783.86 is: 14,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,603.10 : 20,146.28 = 10,783.86 : x
  2. Step 2: Convert to fraction form
    14,603.10/20,146.28 = 10,783.86/x
  3. Step 3: Cross multiply
    14,603.10x = 20,146.28 × 10,783.86
  4. Step 4: Simplify right side
    14,603.10x = 217,254,663.04
  5. Step 5: Solve for x
    x = 217,254,663.04/14,603.10
  6. Step 6: Final answer
    x = 14,877.30

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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.