Home / 16,895.64-23,312.28-9,818.40

Finding the Fourth Proportional to 16,895.64, 23,312.28 and 9,818.40

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Solution

The fourth proportional to 16,895.64, 23,312.28 and 9,818.40 is: 13,547.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,895.64 : 23,312.28 = 9,818.40 : x
  2. Step 2: Convert to fraction form
    16,895.64/23,312.28 = 9,818.40/x
  3. Step 3: Cross multiply
    16,895.64x = 23,312.28 × 9,818.40
  4. Step 4: Simplify right side
    16,895.64x = 228,889,289.95
  5. Step 5: Solve for x
    x = 228,889,289.95/16,895.64
  6. Step 6: Final answer
    x = 13,547.24

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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.